Dioden
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FR107-B - 1A 1000V Fast Recovery Rectifier DO-41 | Rectron
The Rectron FR107-B is an axial-leaded 1.0 A fast recovery rectifier diode rated at 1000 V reverse voltage with a 150 ns reverse recovery time, housed in the industry-standard DO-41 (DO-204AC) through-hole package. Its combination of 1 A average forward current, 30 A non-repetitive peak surge current (IFSM), and 150 ns trr makes it a workhorse for line-frequency rectification and high-frequency freewheeling circuits. A fast recovery rectifier is a discrete semiconductor device designed to conduct current in one direction while switching from the conducting (forward) state to the blocking (reverse) state far faster than a standard 50 Hz rectifier. FR107-B belongs to the rectifier diode family within discrete semiconductors, sitting alongside general-purpose rectifiers (1N400x series), Schottky diodes, and ultrafast rectifiers. Its primary role is AC-to-DC conversion in switched-mode power supplies (SMPS), motor drive snubbers, and inductive load freewheel paths where the slow recovery of a 1N4007 would cause excessive switching loss or shoot-through. Key features include a low forward voltage drop of typically 1.3 V at 1 A (max 1.7 V), a peak surge capability of 30 A for 8.3 ms half-sine pulses, glass passivated die construction, and a molded epoxy body that meets UL 94V-0 flammability. The axial lead format simplifies PCB insertion and wave-soldering on through-hole boards. Operating junction temperature spans -55C to +150C, covering industrial and automotive underhood environments. Technically, the device uses a diffused PN junction with controlled minority carrier lifetime to achieve the 150 ns recovery specification without sacrificing surge ruggedness. The glass passivation layer eliminates surface instability and leakage drift, ensuring stable high-temperature reverse current below 5 uA at 25C and 50 uA at full rated voltage and temperature. Typical applications include switch-mode power supply output rectifiers, DC-DC converter freewheel diodes, inverter stage snubbers, and polarity protection in industrial controls. The 1000 V rating also supports 230 VAC line-rectified rails directly without derating. When designing with FR107-B, always verify that the switching frequency of the host converter is consistent with a 150 ns trr. Above approximately 100 kHz, an ultrafast (UF4007-class, 75 ns) or Schottky part is preferable. Reverse voltage margin of at least 20% should be applied for reliability. This page synthesizes distributor pricing, same-brand drop-in alternatives (FR107, FR157-B), cross-brand DO-41 equivalents from Diodes Incorporated and EVVO, application guidance, and a DO-41 pinout diagram - practical engineering context not found in the bare datasheet.
FR107-G - 1A 1000V Fast Recovery Rectifier DO-41 | Comchip
The Comchip Technology FR107-G is a 1 A, 1000 V fast-recovery axial-lead rectifier diode in a DO-41 (DO-204AL) through-hole package, designed as the industry-standard FR107 with a Comchip green-packaging (-G) suffix that denotes RoHS/lead-free compliance. It features a maximum repetitive peak reverse voltage (VRRM) of 1000 V, average rectified forward current (IO) of 1 A, and a forward surge current (IFSM) of 30 A over a single 8.3 ms half-sine pulse. Reverse recovery time (trr) is specified at 500 ns, making this part genuinely "fast-recovery" rather than a standard-recovery 1N4007-class rectifier, and that distinction matters in switch-mode power supply freewheeling and high-frequency rectification applications. A fast-recovery rectifier (often abbreviated FRR or FRD) is a discrete semiconductor diode whose minority-carrier lifetime has been intentionally shortened so that it ceases conduction quickly when reverse-biased. Within the broader taxonomy, FR107 sits as: fast-recovery rectifier -> recovery rectifier -> rectifier diode -> discrete semiconductor. Fast-recovery parts differ from standard-recovery parts (such as the 1N4007) by their deliberately reduced trr, and they differ from ultrafast-recovery parts (UF4007) only by trr value: 500 ns versus 75 ns. Fast-recovery rectifiers are widely used in 50/60 Hz line-frequency rectification, low-frequency switch-mode freewheeling, and DC output stages of offline power supplies where switching losses in the rectifier are tolerable but where reverse recovery at line frequency must not introduce audible noise or harmonic distortion. Key features of the FR107-G include a low forward voltage drop of 1.3 V at 1 A, glass-passivated junction construction that improves long-term stability and reverse-leakage performance, molded epoxy body rated UL 94V-0 for flame retardance, and axial leads compatible with through-hole wave soldering or insertion mounting. The part is lead-free and RoHS-compliant, and the -G suffix (Comchip convention) signals the green/lead-free finish as distinct from the legacy SnPb finish on the same die. Operating junction temperature range extends from -55 °C to +150 °C. Typical applications for the FR107-G include 50/60 Hz bridge rectifiers in linear and switched-mode power supplies, freewheeling diodes across inductive loads such as relay coils and solenoids, snubber diodes in flyback converters, and reverse-polarity protection circuits where 1 A continuous and 30 A peak surge ratings are sufficient. Designers also use FR107-family parts in low-cost DC adapters, battery chargers, and hobby/educational power-electronics kits. The DO-41 axial package, paired with the part's high surge capability, makes it a robust workhorse for general-purpose through-hole rectification. When designing with the FR107-G, verify that peak inverse voltage and case temperature stay within the datasheet envelope. The 30 A IFSM rating assumes a single 8.3 ms half-sine pulse; for repetitive surge operation, derate significantly. Use a clip-on heatsink or thermal compound only if your application sustains high average forward current, since the DO-41 body itself dissipates 3 W only with adequate lead cooling. Pair trr with your switching topology: FR107's 500 ns is acceptable for line-frequency and low-frequency SMPS freewheeling, but ultrafast 75 ns parts (UF4007) are required for >100 kHz hard-switched converters. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes sourced from manufacturer datasheets, Mouser/DigiKey listings, and parametric cross-references not consolidated in any single vendor catalog.
FR107-T - 1A 1000V Fast Recovery Rectifier DO-41 | Diodes Incorporated
The Diodes Incorporated FR107-T is a 1.0 A fast recovery rectifier diode rated at 1000 V reverse voltage in an axial-lead DO-41 (DO-204AL) through-hole package. It features a maximum forward voltage of 1.3 V at 1 A, a reverse recovery time on the order of 500 ns, and a UL 94V-0 flammability-rated plastic body, delivering high reliability combined with low leakage and fast switching for high efficiency. A fast recovery rectifier is a discrete semiconductor whose primary function is to convert alternating current (AC) to direct current (DC) in power supply and snubber circuits, while switching quickly enough to minimize reverse-recovery losses. FR107-T sits within the discrete semiconductor taxonomy as: rectifier diode -> fast recovery rectifier -> switching diode -> discrete semiconductor. The "fast" designation means the device reverses polarity in hundreds of nanoseconds rather than microseconds, which suppresses switching transients and EMI in high-frequency rectification. Key features of the FR107-T include a peak repetitive reverse voltage (Vrrm) of 1000 V, an average rectified forward current (Io) of 1.0 A, a forward surge current rating suitable for transformer-rectified rails, and a glass-passivated die construction that yields low reverse leakage over the operating temperature range. The part is rated to operate from -65C to +150C junction temperature. Architecturally, the FR107-T uses a diffused-junction silicon die housed in a void-free molded plastic package with axial leads. The fast recovery characteristic stems from minority carrier lifetime control during the diffusion process, which allows the device to turn off cleanly without the long reverse-recovery tail seen in standard-recovery rectifiers such as the 1N4007. Typical applications for FR107-T include switch-mode power supply (SMPS) output rectifiers, freewheeling diodes across inductive loads, DC-DC converter secondary rectification, and 50/60 Hz line-frequency bridge rectifier stages where low forward drop at 1 A is sufficient. It is also commonly used in inverter and inverter-fed motor drive auxiliary rails. When designing with FR107-T, verify that the switching frequency of the host converter stays below the trr limit. At high di/dt, the reverse-recovery charge Qrr causes additional switching loss and EMI; for hard-switched applications above approximately 100 kHz, an ultrafast (UF) or Schottky alternative typically yields better efficiency. Keep lead length short on the PCB to minimize parasitic inductance and ringing. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single consolidated reference for FR107-T selection and replacement.
GB02SHT03-46 - 300V 4A SiC Schottky Diode | GeneSiC TO-46
The GeneSiC GB02SHT03-46 is a 300 V, 4 A Silicon Carbide (SiC) Power Schottky Diode in a 2-pin through-hole TO-46 package, designed for high-temperature, high-frequency, and high-efficiency power conversion. It features a repetitive peak reverse voltage of 300 V, a continuous forward current rating of 4 A, and is part of GeneSiC's High-Temperature SiC Schottky Diode family intended for operation in harsh environments where conventional silicon rectifiers would suffer excessive leakage and thermal runaway. A Schottky diode is a unipolar semiconductor device formed by a metal-semiconductor junction rather than a PN junction. Compared to silicon PN-junction rectifiers, SiC Schottky diodes offer near-zero reverse recovery charge, much higher blocking voltage per unit area, and the ability to operate at junction temperatures above 200 C. The device family hierarchy is: SiC Schottky Diode -> Schottky Diode -> Rectifier Diode -> Discrete Semiconductor -> Power Semiconductor. This taxonomy explains why SiC Schottky parts are positioned as premium alternatives to ultrafast silicon rectifiers in switch-mode power supplies. Key features of the GB02SHT03-46 include a low forward voltage drop (typical values around 1.5 V at rated current), negligible reverse recovery, and a hermetic TO-46 metal can package that supports high-temperature operation. The SiC die technology eliminates the reverse-recovery charge that plagues silicon ultrafast rectifiers, allowing much higher switching frequencies (typically 100 kHz to 1 MHz) and reducing switching losses in continuous-conductor PFC, LLC resonant, and buck/boost converters. From a technical-depth perspective, the SiC junction barrier Schottky (JBS) architecture merges a low-barrier Schottky contact with a PN-grid edge termination. This design minimizes leakage current at high reverse bias while preserving the low Vf of a pure Schottky structure, allowing the GB02SHT03-46 to deliver 300 V blocking at 4 A continuous forward current in a package the size of a small signal BJT. Typical applications include high-frequency switch-mode power supplies (SMPS), solar PV inverters, EV onboard chargers, industrial motor drives, freewheeling diodes for IGBT/SiC MOSFET half-bridges, and high-temperature down-hole or aerospace power electronics. Its TO-46 package is through-hole and easy to integrate into leaded assemblies where surface-mount SiC die would otherwise require DBC substrates. When designing with this part, ensure adequate heatsinking at currents near the 4 A rating, since SiC Schottky diodes dissipate significant conduction power (P = Vf x If). For switching applications, minimize loop inductance to fully exploit the zero-reverse-recovery advantage. This page synthesizes distributor pricing, package details, drop-in same-package alternatives, and engineering design notes for the GB02SHT03-46 - information beyond what is available on individual distributor listings.
GBPC2510W-E4/51 - 25A 1000V GBPC-W Bridge Rectifier | Vishay
The Vishay General Semiconductor GBPC2510W-E4/51 is a 25 A, 1000 V single-phase glass-passivated bridge rectifier housed in the industry-standard 4-pin GBPC-W (Wire Lead) through-hole module package. It integrates four high-current diodes in a full-bridge configuration designed for printed-circuit-board mounting with wire leads, providing 1 kV peak reverse voltage and 25 A average rectified forward current per device with high surge current capability for demanding AC-to-DC rectification. A bridge rectifier is a discrete semiconductor building block that converts full-wave AC input into DC output by steering current through four diodes arranged in a Graetz bridge; it is a sub-category of power diodes that sits hierarchically above single rectifiers and below complete AC/DC power-supply front ends. The GBPC family from Vishay is one of the most widely second-sourced rectifier footprints in the industry, making this part a common reference point for SMPS, motor drive, and appliance power designs. Key features of the GBPC2510W-E4/51 include a low forward voltage drop of 1.1 V per diode at full rated current, a typical reverse leakage current below 0.3 µA, silver-plated wire leads that are solderable per J-STD-002 and JESD22-B102, and a UL94V-0 flammability-rated case. Solder-dip capability to 275 °C maximum for 10 seconds per JESD22-B106 simplifies wave-solder assembly, and the part carries UL recognition under file number E54214, easing safety agency submission for end equipment. The construction uses a glass-passivated silicon junction for stable leakage and long-term reliability, with a low thermal-resistance path from junction to lead for heatsink mounting. The GBPC-W package is mechanically and electrically compatible with the GBPC, GBPCW, and WTE bridge-rectifier footprints from multiple suppliers, simplifying sourcing. Typical applications include AC/DC full-wave rectification in switch-mode power supplies, industrial motor drives, uninterruptible power supplies (UPS), battery chargers, welding equipment, home appliances such as washing machines and microwave ovens, and office equipment including printers and copiers. The 1 kV Vrrm provides substantial margin on 220-240 Vrms rectified rails, allowing operation in single-phase and three-phase input designs. Design considerations include mandatory heatsinking to keep the junction below the rated temperature, observance of the IFSM surge rating for inrush, and provision of a fuse or PTC for short-circuit protection. Verify the wire-lead bending radius against the mechanical drawing to avoid glass-passivation cracking during assembly. This page synthesizes distributor pricing, drop-in compatible alternatives, and practical bridge-rectifier design notes not found on the manufacturer datasheet.
GDZJ30B - 30V 500mW Zener Diode DO-34 | Pan Jit
The Pan Jit International Inc. GDZJ30B is a 30 V nominal Zener diode in an axial-lead DO-34 glass package with 500 mW power dissipation and ±3% voltage tolerance. It belongs to the GDZJ series of planar-die construction Zener diodes designed for automated assembly processes, with solderable terminals qualified per MIL-STD-202 Method 208. A Zener diode is a specialized silicon p-n junction diode engineered to operate stably in the reverse-breakdown (Zener) region, where it maintains a nearly constant voltage across a wide range of reverse currents. In circuit topology, Zener diodes belong to the discrete semiconductor family and function as primitive voltage references, voltage clamps, or simple shunt regulators. They are the lowest-cost implementation of a fixed reference and are widely used for secondary regulation, overvoltage protection, and signal limiting. Key features of the GDZJ30B include a nominal Zener voltage (Vz) of 30 V at the standard test current (Iz), 500 mW maximum power dissipation at 25 °C ambient (derated linearly above this temperature), and a planar die construction that delivers predictable Zener voltage characteristics and low leakage. The DO-34 molded glass envelope provides hermetic sealing and is approximately 0.012 g per piece, making it suitable for high-density through-hole designs. Lead polarity is indicated on the body per the manufacturer diagram. From an electrical perspective, the GDZJ30B exhibits a Zener impedance (Zzt) and reverse leakage current (Ir) consistent with the planar process technology. The 30 V nominal sits in the mid-range of the GDZJ series and is typically selected when a precision reference around 30 V is required for analog signal conditioning, instrumentation supply rails, or as a bias-voltage source for transistor circuits. Typical applications include voltage reference for analog front-end circuits, overvoltage protection for instrumentation inputs, and as a simple shunt regulator in industrial control and test & measurement equipment. Because of its DO-34 through-hole package, it is most commonly used in legacy through-hole PCB designs, prototyping, and repair/replacement scenarios rather than new high-density SMT boards. When designing with the GDZJ30B, observe the 500 mW power dissipation ceiling and apply proper derating above 25 °C. Mount leads with strain relief to prevent glass-body fracture, and respect the reverse-leakage behavior when used as a precision source at low currents. This page synthesizes verified distributor pricing, drop-in alternatives within the GDZJ series, and practical design notes not consolidated on a single manufacturer datasheet.
IDB30E120ATMA1 - 1200V 30A EmCon Power Diode D2PAK | Infineon
The Infineon IDB30E120ATMA1 is a 1200 V, 30 A emitter-controlled (EmCon) silicon power diode housed in a surface-mount PG-TO263-3-2 (D2PAK) package. It is designed as an ultra-soft fast-recovery rectifier with a typical forward voltage of 2.15 V at 30 A, optimized for hard- and soft-switching topologies where reverse-recovery softness directly impacts EMI and switching loss. The device is qualified to a maximum junction temperature of 150 °C and is also offered in a halogen-free version compliant with IEC 61249-2-21. A power diode is a two-terminal semiconductor device that conducts current in only one direction, enabling rectification of AC to DC in power conversion systems. Fast-recovery EmCon diodes occupy a specific niche between standard rectifiers (slow, high Qrr) and SiC Schottky diodes (fast, but higher cost). The EmCon (Emitter Controlled) architecture uses a localized lifetime-control process that produces a gradual, "soft" reverse-recovery current waveform, dramatically reducing switching transients, ringing, and dv/dt-induced EMI in the host converter. Key features of the IDB30E120ATMA1 include a peak repetitive reverse voltage (VRRM) of 1200 V, average rectified forward current of 30 A (DC), maximum surge current (IFSM) of 102 A, and a reverse-recovery time (trr) of less than 500 ns. The D2PAK (TO-263) surface-mount package provides a low thermal resistance path via its exposed tab, allowing efficient PCB heatsinking. The diode is supplied on Tape & Reel (cut tape / MouseReel options available) for high-volume SMT assembly. Architecturally, the IDB30E120ATMA1 uses an emitter-controlled-diffusion silicon die that combines a P-i-N rectifier structure with localized heavy-metal doping to engineer a soft recovery tail. This results in a low Qrr and a smooth dI/dt slope, which is critical in IGBT bridge legs and zero-voltage-switching (ZVS) converters where conventional fast diodes would cause severe ringing. Typical applications include 3-phase industrial rectifiers, IGBT freewheeling/anti-parallel diodes in motor drives, PFC boost stages in switched-mode power supplies, solar inverter boost and freewheel positions, welding inverter output stages, and uninterruptible power supply (UPS) input bridges. Its 1200 V rating makes it compatible with 480 V AC rectified buses (peak ≈ 679 V) plus ample margin. When designing with this part, ensure the exposed metal tab has adequate copper area (typically 1-2 in² on a multi-layer board) to keep Tj below 150 °C under worst-case conduction. Snubber networks across the diode may be required in very high dI/dt applications to suppress residual recovery ringing.
IDD03SG60CXTMA2 - 600V 3A SiC Schottky Diode | Infineon
The Infineon IDD03SG60CXTMA2 is a 600 V, 3 A third-generation CoolSiC™ thinQ!™ silicon-carbide (SiC) Schottky diode housed in a PG-TO252-3 (DPAK) surface-mount package. It features a 3 A average forward current rating, a 600 V repetitive peak reverse voltage, and zero reverse recovery charge, making it ideally suited for high-frequency hard-switching PFC, totem-pole PFC, and high-efficiency DC-DC converter stages. A Schottky diode is a unipolar semiconductor device that conducts current through a metal-semiconductor junction rather than a P-N junction, which eliminates minority-carrier storage and therefore removes reverse-recovery losses. SiC (silicon-carbide) as a wide-bandgap material extends Schottky performance into higher voltage, higher temperature, and higher switching-frequency regimes where conventional silicon diodes fail. In the broader taxonomy this part belongs to: Schottky diode → rectifier diode → diode → discrete semiconductor → power semiconductor. Key specifications include a typical forward voltage of 1.5 V at 3 A, a maximum operating junction temperature of 175 °C, and the industry’s lowest device capacitance for any given current rating per the manufacturer, which reduces switching losses and improves light-load efficiency. The PG-TO252-3 (DPAK) package supports tab-cathode mounting for low thermal resistance. The third-generation thinQ!™ SiC die delivers a near-ideal figure-of-merit (Qc × VF) trade-off, with capacitive charge (Qc) optimized for converters above 100 kHz. The merged-PiN-Schottky (MPS) structure suppresses bipolar degradation under surge events, ensuring robust avalanche capability. Typical applications include server and telecom switch-mode power supplies (SMPS), solar inverters, on-board EV chargers, industrial motor drives, and uninterruptible power supplies (UPS). The 600 V rating provides ample margin for 380-400 V PFC boost stages fed from universal-input rectifiers. When designing with this diode, ensure the snubber and thermal copper pour are sized for the expected switching frequency. Compared with silicon ultrafast rectifiers, the SiC part eliminates reverse-recovery losses but requires careful gate-driver and EMI mitigation on the switching stage it services. This page consolidates distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet alone, giving engineers a single source for cross-brand equivalent selection and practical PCB-layout guidance.
IDD04SG60CXTMA2 - 600V 4A SiC Schottky Diode DPAK | Infineon
The Infineon IDD04SG60CXTMA2 is a 600 V, 4 A silicon-carbide (SiC) Schottky diode from Infineon's CoolSiC G3 thinQ generation, housed in a PG-TO252-3 (DPAK) surface-mount package. Built on a wide-bandgap SiC substrate, it combines a 4.5 nC total capacitive charge (Qc), near-zero reverse recovery, and a positive temperature coefficient on forward voltage that simplifies paralleling. The 600 V repetitive peak reverse voltage comfortably exceeds the 400 V and 480 V bus levels used in single-phase and three-phase PFC front ends. What is a SiC Schottky diode? A Schottky diode is a unipolar device whose metal-semiconductor junction eliminates the minority-carrier storage that limits silicon PiN rectifiers, yielding essentially zero reverse-recovery charge. Silicon-carbide Schottky diodes extend that behavior to 600 V, 1200 V, and beyond, because SiC's ~3x higher bandgap and ~10x higher critical electric field support thinner drift regions with lower conduction and switching losses. SiC Schottky diodes sit in the hierarchy: Schottky diode -> wide-bandgap rectifier -> discrete semiconductor -> power semiconductor device, and are widely used as boost PFC and freewheeling diodes in switched-mode power supplies. Key features of the IDD04SG60CXTMA2 include a 600 V reverse-voltage rating, 4 A continuous forward current, a typical forward voltage of approximately 1.5 V at 4 A and 25 C, 4.5 nC total capacitive charge, and a maximum operating junction temperature of 175 C. The DPAK (TO-252) footprint offers a tab that doubles as a thermal pad, enabling junction-to-ambient thermal resistance near 62 C/W on a 1 sq. inch copper pour. The device is lead-free, RoHS-compliant, and rated for industrial-grade reliability. The thinQ G3 architecture reduces capacitive stored charge and leakage versus prior generations, which directly lowers turn-off loss in hard-switched PFC stages and limits dead-time losses in bridge legs. The positive temperature coefficient on VF supports multi-device paralleling without external ballast, and the absence of reverse recovery makes the diode inherently tolerant of high di/dt, eliminating the need for snubber capacitors in many topologies. These traits make the IDD04SG60CXTMA2 particularly attractive in CCM PFC boost and totem-pole bridgeless PFC front ends where silicon PiN recovery current dominates switching loss. Typical applications include single-phase and three-phase power factor correction (PFC), solar inverters, EV on-board chargers, industrial SMPS freewheeling paths, and UPS output rectifiers. Designers commonly pair it with Infineon CoolMOS or TRENCHSTOP IGBTs in CCM boost PFC and with SiC MOSFETs in totem-pole bridgeless PFC. The DPAK outline also suits retrofit of older 600 V ultrafast silicon diodes where reduced switching loss and higher junction temperature provide immediate efficiency and thermals gains. When designing with this part, account for the 1.4-1.5 V typical forward drop: at 4 A that means ~6 W of conduction dissipation in continuous operation, so the PCB copper pour under the tab should be maximized. The SiC Schottky junction has no reverse-recovery tail but does have capacitive charge that contributes to turn-on loss in the companion switch - use a low-inductance layout and place the diode close to the switching node.
IDD06SG60CXTMA2 - 600V 6A CoolSiC G3 SiC Schottky Diode | Infineon
The Infineon IDD06SG60CXTMA2 is a 600 V, 6 A silicon-carbide (SiC) Schottky diode from Infineon's third-generation CoolSiC™ thinQ™ G3 family, supplied in a PG-TO252-3 (DPAK) surface-mount package. It delivers a typical forward voltage of 2.1 V at the rated 6 A forward current and is engineered as a single-diode configuration for hard-switching power-conversion stages where silicon PiN diodes cannot keep pace with switching frequency. What is a SiC Schottky diode? A silicon-carbide Schottky diode is a majority-carrier rectifying device formed by a metal-semiconductor junction on a wide-bandgap SiC substrate, rather than the silicon PiN structure used in conventional rectifiers. This places it within the hierarchy: Schottky diode -> rectifier -> discrete semiconductor -> power device. Compared to silicon PiN diodes, SiC Schottky devices eliminate reverse-recovery charge (Qr), enabling near-zero switching losses and allowing the upstream MOSFET or IGBT to operate at much higher dv/dt and switching frequency. The G3 generation specifically targets the lowest device capacitance per amp rating in the industry, which further reduces switching loss at light load and high frequency. Key specifications include 600 V reverse-voltage rating, 6 A continuous forward current, 32 A non-repetitive peak forward surge current (IFSM), and a maximum reverse current of 500 nA. Operating junction temperature spans -55 °C to +175 °C, exceeding silicon-diode limits and enabling operation in sealed, high-ambient enclosures. The thinQ G3 construction also delivers an improved Figure-of-Merit (Qc × VF) versus G2, which directly translates into lower converter loss and higher power density. The diode's primary use cases are the boost/PFC free-wheeling and output rectifiers of switch-mode power supplies (SMPS), totem-pole bridgeless PFC stages, solar inverters, EV on-board chargers, industrial motor drives, and UPS systems. The combination of zero reverse recovery and high-temperature operation makes it especially valuable in hard-switched continuous-conduction-mode (CCM) PFC circuits where silicon-diode reverse-recovery current creates significant EMI and conduction loss. When designing with the IDD06SG60CXTMA2, observe the same creepage and clearance rules used for any 600 V discrete in a TO-252 footprint. The tab is internally connected to the cathode on most DPAK Schottky variants - confirm with the manufacturer pinout before sharing thermal vias with the switching node. Use a Kelvin-source connection to the controlling MOSFET gate driver to keep the SiC diode's fast transients from coupling into the gate loop. This page synthesizes distributor pricing, parametric drop-in alternatives, and applied design notes (PFC stage, totem-pole, solar inverter) that the manufacturer datasheet alone does not lay out in application-ready form.
IDDD10G65C6XTMA1 - 650V 29A SiC Schottky Diode | Infineon
The Infineon IDDD10G65C6XTMA1 is a 6th-generation CoolSiC+ silicon-carbide (SiC) Schottky diode rated at 650V reverse voltage and 29A average rectified forward current, housed in a 10-pin PG-HDSOP-10-1 surface-mount package with exposed thermal pad. The part delivers zero reverse recovery charge (Qc), essentially eliminating switching losses in hard-switched PFC and totem-pole bridgeless topologies. According to the manufacturer datasheet, the device combines a 650V blocking capability with a typical forward voltage of 1.5V at rated current and a junction temperature range of -55C to +175C. What is a SiC Schottky diode? A silicon-carbide Schottky diode is a wide-bandgap power diode that uses a metal-semiconductor junction (Schottky barrier) instead of a PN junction, eliminating stored minority-carrier charge. In the broader discrete-semiconductor hierarchy it sits as: SiC Schottky diode -> wide-bandgap diode -> power rectifier -> discrete semiconductor. Compared with silicon ultrafast recovery diodes, SiC Schottky parts switch near-instantaneously, drastically reducing switching loss and allowing higher frequency operation in switch-mode power supplies. Key differentiating specifications include a maximum repetitive peak reverse voltage (VRRM) of 650V, a non-repetitive peak forward surge current (IFSM) supporting transient events, and a positive temperature coefficient on VF that promotes easy paralleling for high-current modules. The exposed-pad HDSOP-10-1 package provides a thermal resistance optimized for cold-plate or PCB-copper cooling, enabling compact power-density designs. Technically, the 6th-generation Infineon CoolSiC+ die merges an optimized Schottky barrier metal with field-ring termination to balance leakage current against surge capability. Designers benefit from the absence of reverse recovery, which simplifies EMI filtering and reduces snubber losses in continuous-conduction-mode PFC and DC-DC stages. Typical applications include totem-pole bridgeless PFC in telecom/server SMPS, solar string inverters, on-board chargers for EVs, industrial motor drives, and DC fast-charging stations. The part is also widely used as an anti-parallel (freewheeling) diode across IGBT or super-junction MOSFET half-bridges. When designing in this diode, observe the recommended land pattern for PG-HDSOP-10-1, minimize parasitic loop inductance, and ensure the exposed pad is soldered to a sufficient copper area to meet the datasheet thermal resistance target. Use a Kelvin source connection when paired with a MOSFET for clean gate drive. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, supporting rapid component selection for high-frequency, high-efficiency power converters.
IDH04G65C6XKSA1 - 650V SiC Schottky Diode 4A | Infineon
The Infineon IDH04G65C6XKSA1 is a 650 V, 4 A silicon-carbide (SiC) Schottky diode from the CoolSiC G6 generation, packaged in a through-hole PG-TO220-2 with forward voltage of 1.25 V. It targets hard-switching and soft-switching topologies where silicon diodes suffer from high reverse-recovery charge, delivering near-zero Qrr and significantly lower switching losses. A Schottky diode is a unipolar semiconductor device whose conduction is governed by majority carriers rather than minority carriers, so it does not exhibit reverse-recovery charge. Silicon Carbide (SiC) extends this principle to much higher blocking voltages and junction temperatures than conventional silicon Schottky devices, which historically topped out around 200 V. SiC Schottky diodes therefore occupy the node 'SiC Schottky diode -> Schottky diode -> rectifier diode -> discrete semiconductor -> power semiconductor' in the electronics taxonomy. Key features include a 650 V repetitive peak reverse voltage, 4 A average forward current (12 A surge per the DigiKey listing), low forward voltage of 1.25 V, junction operating temperature of -55C to +175C, and an industry-standard PG-TO220-2 package with a kelvin-source tab that reduces inductance. The die is merged-PN-junction (MPS) structured for improved surge-current robustness and lower leakage. Typical applications are the boost and PFC stages of server/telecom SMPS, the secondary rectification of EV onboard chargers and DC fast chargers, photovoltaic inverters, and industrial welding/motor drives. In each case, the G6's low Qc (capacitive charge) and zero Qrr reduce EMI, shrink magnetics, and allow higher switching frequencies. When designing, verify heatsinking for the TO-220 tab and respect the 4 A average forward-current derating above 135C. Use a snubber if the circuit has high dv/dt stress, although the G6 MPS structure tolerates far higher dv/dt than silicon PiN diodes.
IDK06G65C5XTMA2 - 650V 6A SiC Schottky Diode | Infineon CoolSiC G5
The Infineon IDK06G65C5XTMA2 is a 650 V, 6 A Silicon Carbide (SiC) Schottky diode from the CoolSiC™ Generation 5 family, housed in a surface-mount PG-TO263-2 (D2PAK real2pin) package. It combines a 650 V repetitive peak reverse voltage (VRRM) with a 6 A average forward current rating, delivering near-zero reverse recovery loss for hard-switched and resonant power topologies. A Schottky diode is a unipolar semiconductor device whose conduction is governed by majority-carrier flow across a metal-semiconductor barrier rather than by minority-carrier injection and storage, as in a PN-junction rectifier. The silicon-carbide wide-bandgap material (Eg ≈ 3.26 eV versus Si's 1.12 eV) raises the breakdown field by an order of magnitude, allowing a thinner, higher-doped drift region that simultaneously reduces on-state loss and switching loss. Within the power-semiconductor taxonomy, this places SiC Schottky diodes at the high-efficiency frontier of discrete rectifiers, sitting between standard silicon rectifiers and SiC MOSFETs in performance and between diodes and MOSFETs in circuit function. Key features include a typical forward voltage (VF) of approximately 1.5 V at 6 A and 25 °C, negligible reverse recovery charge (Qrr), a maximum junction temperature of 175 °C, and an avalanche-rated design. The D2PAK real2pin package offers a low thermal resistance path (junction-to-case) suitable for high-current surface-mount reflow assembly, and is pin-compatible with industry-standard D2PAK rectifier footprints. Technically, the Generation 5 CoolSiC process integrates a merged-PIN Schottky (MPS) structure that suppresses bipolar turn-on at surge currents while keeping capacitive charge (QC) low. This yields clean, snap-free switching waveforms, reduced EMI, and the ability to operate at switching frequencies well above the practical limits of silicon ultrafast rectifiers. The device is also qualified for industrial-grade reliability. Typical applications include totem-pole bridgeless PFC, server and telecom SMPS output rectification, photovoltaic string inverters, on-board EV chargers, and industrial motor drives. The combination of low conduction loss and zero reverse recovery makes it especially attractive in continuous-conduction-mode (CCM) PFC stages where Si ultrafast rectifiers dominate switching loss. When designing with this part, ensure the heatsink or PCB copper area keeps the junction below 150 °C at worst-case forward current, since conduction loss scales linearly with duty cycle. Place the device close to the switching node to minimize parasitic loop inductance that can otherwise ring with the diode's junction capacitance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not available on the manufacturer datasheet alone.
IDK10G65C5XTMA2 - 650V 10A SiC Schottky Diode | Infineon CoolSiC G5
The Infineon IDK10G65C5XTMA2 is a CoolSiC G5 silicon-carbide (SiC) Schottky diode rated at 650 V reverse voltage and 10 A average forward current, housed in a surface-mount PG-TO263-2 (D2PAK) package. It features a typical forward voltage of 1.5 V and combines Infineon's fifth-generation thinQ SiC Schottky technology with a low-loss real2pin lead frame that minimizes thermal resistance and conduction losses. The diode is part of the CoolSiC industrial-grade portfolio targeting switched-mode power conversion. A Schottky diode is a unipolar semiconductor device that uses a metal-semiconductor junction instead of a p-n junction to provide rectification. Unlike silicon diodes that suffer from recovery charge and reverse-recovery losses, SiC Schottky diodes are majority-carrier devices and exhibit near-zero reverse-recovery charge (Qrr), making them ideal for high-frequency switching converters. In the broader taxonomy, this part belongs to the discrete semiconductor family: rectifier -> power diode -> Schottky diode -> SiC Schottky diode -> 650 V class power rectifier. Key specifications include 650 V repetitive peak reverse voltage (VRRM), 10 A average forward current (IF(AV)) at TC=135 C, a low forward voltage of 1.5 V typical at IF=10 A, and a maximum junction temperature of 175 C. The device is halogen-free, RoHS compliant, and uses a plastic/epoxy molded PG-TO263-2 package with a tab for surface-mount soldering and a metal heatsink pad that simplifies PCB layout. The part is supplied on tape and reel for high-volume assembly. The SiC Schottky architecture produces negligible reverse-recovery current, allowing the diode to operate alongside high-speed SiC MOSFETs and IGBTs in continuous-conduction-mode PFC and LLC topologies. This eliminates the diode turn-on losses caused by shoot-through during MOSFET switching transitions, enabling higher switching frequencies and smaller magnetic components. The CoolSiC G5 generation further reduces forward voltage and capacitance per die area compared with earlier G3 generations, improving overall converter efficiency by typically 0.5-1.0 percent in hard-switched PFC stages. Typical applications include power factor correction (PFC) boost diodes in server and telecom SMPS, freewheeling diodes in solar inverters, output rectifiers in EV on-board chargers, and high-frequency secondary-side rectification for industrial welding and induction-heating converters. The part is particularly well-suited for totem-pole bridgeless PFC where symmetric bidirectional SiC switches demand zero-recovery-charge rectification. When designing with this device, ensure the heatsink tab is soldered to a sufficiently large copper pour to keep junction temperature below 175 C. The low reverse-recovery charge requires careful PCB layout to avoid parasitic inductance that could otherwise cause ringing at turn-off. Designers transitioning from silicon ultrafast diodes should re-evaluate snubber components because SiC Schottky behavior is fundamentally different at high dV/dt.
IDL04G65C5XUMA2 - 650V 4A SiC Schottky Diode | Infineon
Infineon IDL04G65C5XUMA2 is a 650V, 4A Silicon Carbide (SiC) Schottky Diode from the CoolSiC™ generation 5 family, supplied in a surface-mount PG-VSON-4 (also referenced as DPAK real2pin) package with an exposed thermal pad. The device is specified for a repetitive peak reverse voltage of 650V, a continuous forward current of 4A at 175°C junction temperature, and a typical total capacitive charge Q_C of 7 nC. The combination of high breakdown voltage, low reverse recovery charge, and zero reverse recovery current makes it well-suited for hard-switched power-conversion stages previously dominated by silicon PiN diodes. A SiC Schottky diode is a wide-bandgap rectifier that uses a metal-semiconductor junction rather than a P-N junction, eliminating minority-carrier storage and the reverse-recovery losses of conventional silicon rectifiers. This plasma-free switching behavior enables higher switching frequencies, lower EMI, and cooler operation in PFC, totem-pole, and full-bridge topologies. Within the broader power-semiconductor taxonomy, the part sits in the SiC Schottky diode category, a subclass of wide-bandgap rectifiers under discrete power semiconductors. Key features include a 4A average rectified forward current rating, 650V reverse-voltage capability, ultra-low reverse recovery charge Q_C of 7 nC, a forward voltage V_F around 1.7V at 4A, and an operating junction-temperature range of -55°C to +175°C. The PG-VSON-4 surface-mount package exposes the die to a top-side thermal pad and offers a low-inductance leadframe, supporting fast switching edges without the ringing seen in larger through-hole SiC packages. Internally, the die is fabricated on Infineon's 5th-generation SiC Schottky barrier process, which minimizes leakage current at high reverse bias and improves surge-current robustness versus earlier SiC generations. The junction-to-ambient thermal resistance is approximately 62°C/W on the standard JEDEC 1s0p reference board, dropping below 10°C/W with a properly designed copper pour and thermal vias. Typical applications include totem-pole bridgeless PFC in telecom and server SMPS, hard-switched boost converters in solar inverters, freewheeling rectifiers in industrial motor drives, and on-board chargers for electric vehicles. The combination of 650V blocking and zero reverse recovery makes it a natural fit for continuous-conduction-mode (CCM) PFC stages running above 100 kHz. When designing with this part, ensure that the switching-node loop inductance is minimized by using a compact layout and short, wide PCB traces. The exposed pad must be soldered to a copper pour with multiple thermal vias to keep the junction below 175°C under worst-case load. Although SiC Schottky diodes do not exhibit reverse recovery, designers should still respect the data-sheet dV/dt rating to avoid turn-on overstress and EMI coupling into adjacent signal traces. This page synthesizes distributor pricing, drop-in CoolSiC equivalents, and practical layout guidance not assembled on any single manufacturer page, helping engineers evaluate the part for both new designs and SiC upgrades to existing silicon rectifiers.
IDM02G120C5XTMA1 - 1200V 2A CoolSiC G5 Schottky Diode | Infineon
The Infineon IDM02G120C5XTMA1 is a 1200 V, 2 A silicon-carbide (SiC) Schottky diode from the CoolSiC Generation 5 family, housed in a surface-mount PG-TO252-2 (DPAK real-2-pin) package. It uses Infineon's thin-wafer SiC technology, delivering zero reverse-recovery charge, near-zero switching losses, and a temperature-stable forward voltage characteristic that makes it well suited for hard-switched and high-frequency power conversion. A Schottky diode is a unipolar semiconductor rectifier formed by a metal-semiconductor junction rather than a PN junction, so it conducts as soon as the forward voltage exceeds the barrier potential and exhibits negligible reverse-recovery charge. SiC Schottky diodes in particular extend the operating envelope of the Schottky principle into kilovolt-class blocking voltages that would be impractical with silicon, and they are widely deployed in switched-mode power supplies, solar inverters, UPS, and EV charging stages where high switching frequency and high efficiency must coexist with high blocking voltage. Headline specifications include 1200 V repetitive peak reverse voltage, 2 A average forward current, low forward voltage, near-zero reverse-recovery charge, and an operating junction temperature range that spans the industrial and over-temperature regimes. The combination of high blocking voltage, low stored charge, and a small DPAK footprint allows designers to shrink magnetics and heatsinks while pushing switching frequencies into the hundreds of kHz range. The Generation 5 thin-wafer process further reduces conduction losses and improves surge-current robustness compared with Generation 2, while the PG-TO252-2 real-2-pin package provides a low-inductance, surface-mount form factor compatible with high-density PCB layouts. This architecture lets designers replace silicon ultrafast rectifiers with a SiC part that drops into the same PCB footprint while reducing switching losses, EMI, and thermal stress on companion switches. Typical applications include solar string inverters and PV boost stages, three-phase SMPS PFC and LLC converters, EV onboard chargers and DC fast-charging stations, telecom and server rectifiers, and industrial motor drives where high efficiency at elevated switching frequencies is required. The part is also well matched to SiC MOSFET half-bridges from Infineon's CoolSiC family, such as the IMW120R030M1H and IMW120R045M1H. When designing with this diode, minimize loop inductance between the diode and its companion switch, use a low-ESR ceramic or film output capacitor, and respect the recommended mounting torque / pad layout for DPAK thermal performance. A small RC snubber may further reduce ringing on the switched node. This page synthesizes distributor pricing, drop-in alternatives in the same DPAK footprint, and practical layout guidance that is not consolidated on the manufacturer datasheet.
IDM08G120C5XTMA1 - 1200V 8A SiC Schottky Diode | Infineon CoolSiC G5
The Infineon IDM08G120C5XTMA1 is a 1200 V, 8 A silicon-carbide (SiC) Schottky Barrier diode from the CoolSiC Generation 5 family, housed in a surface-mount PG-TO252-2 (DPAK real-2-pin) package. It belongs to the discrete-semiconductor category (Schottky diodes & rectifiers) and delivers market-leading switching efficiency and surge-current capability for hard-switched and resonant power topologies. A Schottky diode is a unipolar semiconductor device that conducts via majority carriers at a metal-semiconductor junction, producing a low forward voltage drop and negligible reverse-recovery charge. Silicon-carbide (SiC) Schottky diodes extend this topology to high blocking voltages that conventional silicon PN-junction rectifiers cannot reach efficiently. Within the system hierarchy, the IDM08G120C5XTMA1 sits as: Schottky diode -> rectifier -> discrete power semiconductor -> power-electronic component. The thin-wafer technology from Generation 2 has been combined with a new merged-pn junction to improve surge-current handling while preserving the zero-reverse-recovery behavior that defines SiC technology. Key features include a 1200 V repetitive peak reverse voltage (VRRM), 8 A average forward current (IF(AV)) at TC = 150 °C, a typical forward voltage (VF) around 1.5 V at 8 A and 25 °C, and junction-temperature operation from -55 °C to +175 °C. The merged-pn junction eliminates the conventional Schottky trade-off between low leakage and high surge capability, while the TO-252 real-2-pin package provides a creepage distance compatible with 1200 V systems and a low junction-to-case thermal resistance (Rth(j-c)) below 1.5 K/W. The Infineon CoolSiC G5 architecture uses a wide-bandgap SiC substrate (bandgap ~3.26 eV versus 1.12 eV for silicon) and a barrier-metal Schottky contact optimized to minimize conduction losses at high current densities. The merged-pn structure behaves like a pure Schottky diode during normal conduction but engages an internal PN layer during reverse-bias stress, suppressing leakage and improving robustness against surge events. The DPAK real-2-pin footprint maximizes the die-to-PCB thermal path, allowing continuous high-current operation without forced-air cooling in well-designed layouts. Typical applications include solar string inverters, industrial UPS and SMPS output rectifiers, on-board EV battery chargers (OBC), totem-pole bridgeless PFC stages, and industrial motor drives. The diode is equally suited to freewheeling positions in IGBT half-bridges where its zero reverse recovery eliminates dead-time losses. When designing with the IDM08G120C5XTMA1, observe the recommended PCB land pattern for the PG-TO252-2 DPAK footprint to preserve creepage and clearance. Use thermal vias under the exposed tab to keep junction temperature below 150 °C at full load, and consider the IFSM rating when sizing upstream fuses or designing inrush-tolerant circuits. This page consolidates distributor pricing, drop-in alternatives and design considerations not found in the standalone datasheet PDF.
IDW75D65D1XKSA1 - 650V 75A Rapid 1 Si Diode TO-247 | Infineon
The Infineon IDW75D65D1XKSA1 is a Rapid 1 switching 650 V, 75 A emitter-controlled power silicon diode in a dual anode configuration housed in a TO-247 (PG-TO247-3) through-hole package. It is designed for high-frequency switching power conversion stages where fast reverse recovery and low switching losses are required. A power diode is a two-terminal semiconductor device whose primary function is to conduct current in one direction (forward bias) and block it in the opposite direction (reverse bias). Rapid 1 diodes belong to the fast-recovery/ultrafast-recovery family of power rectifiers - a subcategory within discrete semiconductors that sits between standard rectifier diodes (50/60 Hz mains) and Schottky diodes (no reverse recovery but limited to low voltages). They are used as freewheeling and snubber diodes in switched-mode power supplies, motor drives, and uninterruptible power systems where reverse recovery charge (Qrr) directly impacts switching loss and EMI. Key features include a 1.35 V temperature-stable forward voltage (VF) that limits conduction loss, the highest softness factor (ratio of trr to Irr peak) in its class for low-EMI turn-off behavior, and a robust 650 V reverse-voltage rating suitable for 400 V rectified-bus designs. The TO-247 package supports high continuous current (75 A average, 150 A non-repetitive surge per distributor listings) and offers a screw-mount thermal path with a typical junction-to-case thermal resistance (RthJC) below 1 C/W. Architecturally, the device uses Infineon's emitter-controlled Rapid 1 technology, which produces a soft reverse-recovery waveform that reduces voltage overshoot, ringing, and EMI in hard-switched bridge topologies. This makes it particularly well-suited as a freewheeling diode across IGBTs in PFC boost stages and as an output rectifier in high-frequency DC-DC converters. Typical applications include power-factor-correction (PFC) boost stages, freewheeling diodes in IGBT/SiC half-bridge legs, solar inverters, welding inverters, and industrial SMPS output rectification. When designing with this part, ensure the heatsink is sized for the continuous conduction loss (V_F x I_F) and that snubber circuits are tuned to the diode's softness factor to minimize ringing. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
IDWD10G200C5XKSA1 - 2000V 35A CoolSiC 5G SiC Schottky Diode | Infineon
The Infineon IDWD10G200C5XKSA1 is a 2000V, 35A silicon-carbide (SiC) Schottky diode from Infineon's CoolSiC 5G generation 5 portfolio, housed in a through-hole PG-TO247-2 (TO-247-2-U01) package. The device features a forward current rating of 35A at TC = 25°C and a peak repetitive reverse voltage of 2000V, making it suitable for high-DC-link power-conversion stages up to 1500 VDC. According to the Infineon datasheet, the diode leverages Infineon's .XT die-attach interconnection technology for first-class thermal performance and is highly robust against humidity, demonstrated in HV-H3TRB stress tests. A silicon-carbide Schottky diode is a unipolar power rectifier built on a wide-bandgap SiC substrate, producing a majority-carrier device with no reverse-recovery charge (Qrr ≈ 0). Compared to silicon PiN rectifiers, SiC Schottky diodes eliminate reverse-recovery losses, allow higher switching frequencies, and operate at junction temperatures typically up to 175°C. They belong to the discrete power-semiconductor family within the power-electronics hierarchy: SiC Schottky diode → Schottky rectifier → rectifier diode → discrete semiconductor → power semiconductor. Key features of the IDWD10G200C5XKSA1 include a typical forward voltage of approximately 1.5V at rated current, zero reverse-recovery charge, a maximum operating junction temperature of 175°C, and a creepage/clearance distance compliant with reinforced insulation for industrial 1500 VDC photovoltaic and energy-storage inverters. The PG-TO247-2-U01 package provides a robust mechanical outline and a low junction-to-case thermal resistance suitable for high-power through-hole mounting. The CoolSiC 5G fifth-generation SiC Schottky technology integrates a merged-PiN Schottky (MPS) cell structure to improve surge-current handling while keeping reverse-recovery loss negligible. The TO-247-2-U01 mechanical outline is mechanically compatible with industry-standard TO-247-2 discrete sockets and heatsink clips, simplifying mechanical integration. The .XT interconnect reduces thermal resistance and improves power-cycling capability versus conventional die-attach. Typical applications include solar string inverters and central PV inverters, 1500 VDC energy-storage systems (ESS), industrial UPS, EV charging-station PFC and DC-DC stages, and high-voltage welding power supplies. The diode is particularly well suited to high-frequency bridgeless totem-pole PFC and full-bridge/half-bridge LLC stages where its absence of reverse-recovery loss directly reduces switching losses and enables smaller magnetics. When designing with this part, ensure the heatsink selection keeps the junction below 150°C at full-load continuous current to maximize long-term reliability; Infineon recommends operating at no more than 80% of the maximum ratings for optimum lifetime. The TO-247-2-U01 tab is electrically isolated only by thermal compound and the heatsink; check isolation requirements for your safety standard before mounting. This page synthesizes distributor pricing, drop-in alternatives, design notes and application examples not found in the manufacturer datasheet alone.
LDH40 - High-Speed Switching Diode | Vishay
The LDH40 is a high-speed switching diode manufactured by Vishay, designed for general-purpose switching and signal processing applications. It features a maximum repetitive peak reverse voltage of 80 V and a forward continuous current of 300 mA, making it suitable for low-power switching circuits. The device is available in a DO-35 glass axial-lead package, which is widely used in through-hole PCB designs. A switching diode is a semiconductor device that allows current to flow in one direction while blocking it in the reverse direction, with fast recovery characteristics optimized for high-frequency switching. In the hierarchy of electronic components, a switching diode falls under discrete semiconductors, specifically within the diode family, which also includes rectifiers, Zener diodes, and Schottky diodes. Switching diodes are essential in applications such as signal clamping, voltage limiting, and logic gating, where rapid transitions between conducting and non-conducting states are required. Key features of the LDH40 include a fast reverse recovery time of 4 ns, which minimizes switching losses in high-frequency circuits, and a low forward voltage drop of 1 V at 100 mA, ensuring efficient operation. The device also offers a high reverse breakdown voltage of 80 V, providing adequate margin for typical signal-level voltages. Its DO-35 package is compact and robust, with a power dissipation rating of 500 mW, suitable for low-power applications. Technically, the LDH40 is fabricated using planar epitaxial technology, which ensures consistent electrical characteristics and high reliability. The device's fast recovery time is achieved through gold doping, which reduces carrier lifetime and accelerates the transition from forward conduction to reverse blocking. This makes the LDH40 particularly effective in high-frequency switching circuits, such as those found in communication equipment and instrumentation. Typical applications include signal clamping in analog circuits, voltage limiting in protection circuits, and switching in logic gates. The LDH40 is also used in RF detectors and mixers, where its fast recovery and low capacitance are advantageous. In audio equipment, it can be used for signal rectification and envelope detection. When designing with the LDH40, ensure that the reverse voltage does not exceed the 80 V rating and that the forward current remains within the 300 mA limit. For high-frequency operation, keep lead lengths short to minimize parasitic inductance. The device is RoHS compliant and lead-free, making it suitable for environmentally conscious designs.
LL4148-GS08 - 100V 150mA Fast Switching Diode SOD-80 | Vishay
The Vishay LL4148-GS08 is a small-signal fast switching diode rated at 100V repetitive reverse voltage (Vrrm) and 150mA average forward current, housed in a surface-mount SOD-80 (MiniMELF / LL-34) package supplied on a 7-inch reel with 2,500 piece quantity per reel (GS08 packaging code). It is built on a silicon epitaxial planar process and features a low forward voltage of approximately 1V at the rated current, a reverse recovery time of 8ns, and a peak forward surge current of 2A for transient pulses. The LL4148-GS08 is functionally and parametrically equivalent to the classic through-hole 1N4148 and 1N4448 diodes, allowing it to serve as a modern surface-mount replacement in legacy designs. A switching diode is a two-terminal semiconductor device optimized for fast transitions between conduction and blocking states rather than for power rectification. Switching diodes belong to the broader signal diode category within discrete semiconductors and are characterized by short reverse recovery time (trr), low junction capacitance, and modest current handling. In a circuit hierarchy they sit alongside Zener diodes, Schottky diodes, and TVS devices, each tuned for different switching or voltage-handling roles. The LL4148-GS08 is AEC-Q101 qualified, extending its use into automotive-grade designs that require proven reliability under thermal and electrical stress. Key features include 100V Vrrm maximum rating, 150mA If(AV) continuous forward current, 8ns reverse recovery time enabling high-frequency operation, 450mV typical forward voltage at low current, and a MiniMELF surface-mount package that provides a robust glass-bodied hermetic structure. The device also offers 2A IFSM peak forward surge capability for one-microsecond transients, a -65C to +175C operating junction temperature range, and RoHS-compliant lead-free termination finishes. The LL4148-GS08 uses a silicon epitaxial planar PN junction with a guard ring that protects the die against electrostatic discharge events exceeding normal handling levels. This architecture balances fast switching speed with low leakage, making it suitable for logic-level interfacing, high-frequency rectification up to several hundred megahertz, and general-purpose signal routing. The MiniMELF package offers low parasitic inductance compared with smaller SOD-123 alternatives, which is advantageous in pulse and high-speed switching circuits. Typical applications include general-purpose switching in industrial controls, automotive signal conditioning modules, high-frequency rectification in logic-level power paths, reverse-polarity protection, clamping and freewheeling functions, and analog signal demodulation. The combination of fast switching, AEC-Q101 automotive qualification, and the compact surface-mount MiniMELF package makes it a versatile workhorse for both commercial and automotive electronics. When designing with the LL4148-GS08, respect the 450mW power dissipation limit and the 150mA continuous forward current rating. Confirm peak forward surge current does not exceed 2A for short transient pulses, and provide adequate PCB land pattern geometry to match the SOD-80 MiniMELF footprint. The cathode is identified by a black band on the glass body; orient accordingly to avoid reverse installation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including cross-brand equivalents, parametric comparison, and application guidance.
LM66100DCKT - 1.5A Ideal Diode OR Controller 1.5-5.5V SC-70-6 | TI
The Texas Instruments LM66100DCKT is a Single-Input, Single-Output (SISO) integrated ideal diode with an internal P-channel MOSFET, offering 1.5 V to 5.5 V operating input range, 1.5 A maximum continuous forward current, 79 mΩ typical on-resistance, and 0.5 UArms quiescent current in a 6-pin SC-70 package. The device integrates input polarity protection down to -6 V reverse standoff and provides a status (ST) flag plus chip-enable (CE) control for power-path management in battery and USB-driven systems. An ideal diode (sometimes called an ORing controller) is a solid-state circuit that emulates a Schottky rectifier using a P-channel MOSFET driven by a small-signal comparator. In conventional power-ORing, two supplies share a load, and the higher-voltage rail takes over; an ideal diode replaces lossy Schottky diodes with active FET control to cut forward-conduction losses to the I²R of the MOSFET instead of the 0.3-0.5 V Schottky drop. This places ideal diodes in the broader hierarchy of discrete semiconductors > diodes > active/ideal diodes > power-ORing devices. Key electrical features include a sub-30 mV forward regulation setpoint that keeps the device nearly fully on at small sense voltages, true reverse-current blocking when VIN drops below VOUT, an integrated -6 V reverse-polarity protection block eliminating the need for an external TVS clamp, and a logic-level CE pin for on-demand shutdown. The 0.5 UArms quiescent current minimizes battery drain during storage or sleep states, and the open-drain ST pin signals the host when the input is in regulation. The SC-70-6 footprint occupies only 2.0 mm × 1.8 mm of board space, making the part ideal for space-constrained wearables and IoT endpoints. The internal architecture combines a precision VDS-sensing comparator, a charge-pump gate driver for the P-FET, and a status-flag generator. By sensing drain-to-source voltage directly, the controller avoids the BOM cost and leakage of an external current-sense amplifier, and the internal charge pump guarantees full enhancement of the P-channel FET even at VIN approaching 1.5 V. Typical applications include power MUXing between USB and a single-cell Li-ion battery in handheld electronics, ORing redundant supplies in PLC and industrial sensor nodes, reverse-polarity protection for field-wired DC inputs, low-dropout switching in energy-harvesting nodes, and load-sharing between a wall adapter and a backup battery in security panels. When designing with the LM66100DCKT, place the device as close to the input connector as possible so the integrated -6 V reverse block protects downstream rails. The CE pin must be driven high for normal operation; tie it to VIN through a 100 kΩ resistor if shutdown is not used. Add a 1 UArms ceramic bypass capacitor at VIN to suppress transient reverse-current spikes during input hot-plug events. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet alone, giving engineers a single decision-ready reference for selecting the LM66100DCKT in next-generation low-power designs.
MB10F - 0.8A 1000V SMD Bridge Rectifier MBF | Diodes Incorporated
The Diodes Incorporated MB10F is a 0.8 A surface-mount glass passivated single-phase bridge rectifier with a peak reverse voltage (VRRM) of 1000 V, packaged in the compact MBF (4-SMD gull-wing) outline. It is designed for AC-to-DC full-wave rectification in space-constrained PCB designs and delivers a forward voltage drop (VF) of approximately 1.1 V per leg at rated current. The part is UL Recognized (File # E364304) and supplied in a lead-free, halogen-free, RoHS-compliant finish. A bridge rectifier is a four-diode network that converts a bipolar AC input into a polarity-corrected DC output. It belongs to the broader hierarchy of power discrete semiconductors: bridge rectifier > rectifier diode > diode > discrete semiconductor. Single-phase glass passivated bridge rectifiers like the MB10F consolidate four PN junctions into one SMD package, replacing discrete through-hole solutions (e.g., 1N4007 quads) and reducing PCB area by approximately 50%. Key features include a 0.8 A average forward rectified current (IO), 35 A peak forward surge current (IFSM) for 8.3 ms single half-sine pulses, an operating junction temperature range of -55 °C to +150 °C, and a glass passivated die construction that improves long-term reliability and moisture resistance. The MBF package offers a low-profile 4-SMD gull-wing footprint compatible with automated SMT assembly lines, with thermal resistance (RθJA) of approximately 63 °C/W when properly soldered to a minimum 10 mm² copper pad. Internally the MB10F uses four identical passivated rectifier dice wired in a full-wave bridge configuration. This architecture delivers high surge tolerance relative to its small die area and provides symmetrical AC input handling, which simplifies PCB layout because polarity markings (~ and +) are clearly defined on the top-side laser-etched marking. The glass passivation layer reduces surface leakage and improves stability under high humidity and temperature cycling, making the part suitable for consumer, industrial, and telecom environments. Typical applications include switch-mode power supplies (SMPS), LED lighting drivers, AC adapters, battery chargers, home appliances, office equipment, and telecommunication auxiliary power rails. The 1000 V VRRM rating also makes it well-suited to universal-input (90-265 VAC) designs where line transients and inductive kickback from transformer leakage must be absorbed safely. When designing with the MB10F, observe the derating of output current with ambient temperature (IO falls to roughly 0.4 A at 100 °C). A minimum 10 mm² copper pad per terminal is required to achieve the rated thermal performance; insufficient copper rapidly degrades surge survival. For higher-current needs, the MB6S/MB10S family or discrete 1N5408 bridges should be evaluated. This page synthesizes distributor pricing, drop-in same-package equivalents, and practical PCB layout notes that complement the manufacturer datasheet, helping engineers select and qualify the MB10F quickly for new designs.
MBR0520LT3G - 20V 0.5A Schottky Rectifier, SOD-123 | onsemi
The onsemi MBR0520LT3G is a 20 V, 0.5 A surface-mount Schottky barrier power rectifier in a 2-pin SOD-123 package. It employs the Schottky barrier principle with a barrier metal that produces an optimal forward-voltage-drop versus reverse-current tradeoff, making it ideally suited for low-voltage, high-frequency rectification. The device is qualified for surface-mount reflow processes and ships in tape-and-reel packaging for high-volume assembly. A Schottky rectifier is a semiconductor diode that uses a metal-semiconductor junction instead of a PN junction. Compared with conventional silicon rectifiers, Schottky devices exhibit a lower forward voltage drop (typically 0.3-0.5 V versus 0.7-1.0 V) and negligible reverse-recovery charge, which eliminates switching losses. Within the broader power-semiconductor taxonomy, Schottky rectifiers sit below standard-recovery and ultrafast-recovery rectifiers, and are widely used as freewheeling, OR-ing, and reverse-polarity-protection diodes where switching speed and low Vf matter more than reverse-blocking voltage. The MBR0520LT3G features a guard ring for enhanced ruggedness and long-term reliability, very low forward voltage drop, extremely fast switching speed, and negligible switching losses. The epoxy-molded SOD-123 case is lead-free (Pb-free, marked with the "F" suffix per onsemi's Pb-free designation) and rated for MSL 1 moisture sensitivity. Maximum repetitive peak reverse voltage (VRRM) is 20 V, DC blocking voltage is 20 V, average rectified forward current is 0.5 A, and the operating junction temperature range spans -55 C to +150 C. Internally the device uses a single die with a guard-ring passivated junction to suppress edge breakdown and leakage. The very low reverse-recovery time (typically a few nanoseconds) and low stored charge make it suitable for switching converters operating in the hundreds-of-kHz range, where silicon-rectifier recovery losses would otherwise dominate efficiency. The metal-barrier construction also gives a soft thermal characteristic. Typical applications include low-voltage high-frequency rectification in DC-DC converters, freewheeling diodes across inductive loads, reverse-polarity protection on battery and USB ports, and OR-ing of redundant power rails. The compact SOD-123 footprint makes it the standard choice when PCB area is at a premium and the working voltage does not exceed 20 V. When designing with this part, derate forward current with temperature - at 25 C the part handles 0.5 A but must be reduced above 75 C per the datasheet derating curve. For reverse-polarity protection, place the MBR0520LT3G in series with the load with the cathode toward the source; its low Vf minimizes the dropout penalty in low-voltage systems. This page consolidates onsemi specification data, drop-in and cross-brand alternatives sourced from distributor cross-reference tools, and practical design notes not assembled in any single manufacturer datasheet.