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SQ2398ES-T1-GE3 - 100V N-Ch TrenchFET Auto MOSFET | Vishay
The Vishay Siliconix SQ2398ES-T1-GE3 is an automotive-grade N-Channel TrenchFET power MOSFET rated for 100 V VDS, 1.6 A continuous drain current at Tc, and 2 W power dissipation, packaged in the industry-standard SOT-23-3 (TO-236) surface-mount footprint. The suffix -GE3 indicates Vishay's lead-free, halogen-free, RoHS-compliant Green compliance tier. A power MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is a voltage-controlled three-terminal device used for switching and amplifying electronic signals. Within the discrete semiconductor taxonomy, MOSFETs sit under transistors, then discrete semiconductors, then power management components. N-channel enhancement-mode MOSFETs like the SQ2398ES are the most common type, using a positive gate-to-source voltage to create a conducting channel between drain and source. TrenchFET is Vishay's proprietary trench-gate technology that lowers on-resistance per unit area compared to planar MOSFETs, enabling smaller packages to handle more current. Key features of the SQ2398ES-T1-GE3 include a 100 V drain-to-source breakdown voltage (V(BR)DSS), 1.6 A continuous drain current (ID) at case temperature, a 20 V maximum gate-to-source voltage (VGS), and AEC-Q101 automotive qualification with 100 % Rg tested and UIS (Unclamped Inductive Switching) tested. The SOT-23-3 package exposes the same land pattern as thousands of industry-standard small-signal MOSFETs, allowing drop-in substitution when pinout and threshold voltage match. The trench-gate architecture reduces RDS(on) compared to planar equivalents of similar die size, while the 175 °C maximum junction temperature supports underhood automotive environments. The integrated ESD protection diode between gate and source improves manufacturing robustness. Typical applications include automotive 12 V/24 V load switching (LED drivers, solenoid drivers, relay replacements), DC-DC converter low-side switches, battery management protection circuits, and industrial power-management switching up to 100 V rails. The compact SOT-23-3 footprint enables high-density PCB designs. When designing with this device, ensure VGS drive voltage is well above the gate threshold (typically 10 V for full enhancement) to minimize conduction loss. For switching applications above 1 kHz, gate-drive impedance must be minimized to avoid partial-turn-on losses in the linear region. This page synthesizes distributor pricing, AEC-Q101-qualified drop-in alternatives, and practical PCB layout guidance for the SQ2398ES-T1-GE3 that are not consolidated in the manufacturer datasheet.
SQ4532AEY-T1_GE3 - 30V Dual N+P MOSFET AEC-Q101 | Vishay
The Vishay SQ4532AEY-T1_GE3 is an automotive-qualified complementary N-channel and P-channel 30 V power MOSFET array housed in an 8-pin SOIC (MS-012AA / SO-8) surface-mount package. The N-channel device is rated 7.3 A at Tc and the P-channel device 5.3 A at Tc, with a typical on-state resistance of 0.021 ohm and continuous power dissipation of 3.3 W at a maximum junction temperature of 175 C. A complementary MOSFET array integrates one N-channel and one P-channel MOSFET die in a single package, occupying a position between discrete small-signal transistors and full power-management ICs within the semiconductor hierarchy. By pairing opposite-polarity FETs, the device simplifies half-bridge, load-switch, and push-pull topologies and shortens the high-side/low-side routing path on the PCB. Key features include a 30 V drain-source rating, a 20 V gate-source rating, AEC-Q101 qualification for automotive environments, and a 175 C maximum operating junction temperature, which is higher than the 150 C limit of many comparable arrays. The device is halogen-free and RoHS compliant, and it is supplied in tape-and-reel packaging for automated assembly. Architecturally, the two MOSFET dies are fabricated in Vishay Siliconix TrenchFET silicon technology optimized for low on-resistance at moderate currents. The low Rds(on) reduces conduction loss, while the matched complementary pair enables symmetric switching performance in bridge and polarity-protection circuits. Typical applications include automotive body and power modules, H-bridge and half-bridge motor drivers, DC load switches and reverse-polarity protection, and industrial power management where a single compact package must host both polarities. The 175 C rating suits underhood and high-ambient locations. A key design consideration is thermal: 3.3 W dissipation requires careful copper-area sizing on the SOIC-8 exposed-lead footprint, and this exact ordering code is subject to Vishay product termination notice PTN-SIL-013-2026. This page synthesizes verified distributor data, the AEC-Q101 compliance trail, drop-in alternatives, and practical design notes not found on any single manufacturer or distributor page.
SQ4532AEY-T1_GE3 - 30V Dual N+P MOSFET, AEC-Q101 | Vishay
The Vishay Siliconix SQ4532AEY-T1_GE3 is an automotive-qualified dual MOSFET array integrating one N-channel and one P-channel power MOSFET, rated 30 V drain-source voltage with 7.3 A (N-channel, Tc) and 5.3 A (P-channel, Tc) continuous drain current in a compact 8-pin SOIC (SO-8, MS-012) surface-mount package with 3.3 W power dissipation. A MOSFET array is a multi-die power semiconductor that places two or more MOSFETs in a single package, in this case a complementary N-channel plus P-channel pair. Complementary arrays are widely used in power management IC hierarchies for half-bridge and push-pull switching stages, load switches, and polarity-reversal circuits, where matching the two devices in one footprint reduces board area and layout parasitics. Key features include the 30 V (D-S) breakdown rating, 20 V gate-source rating, AEC-Q101 automotive qualification, and a 175 C maximum junction temperature that supports harsh under-hood and industrial environments. The package is halogen-free and RoHS compliant, per Datasheets.com listing data, and the part is marked with Vishay LITTLE FOOT die technology for low on-resistance switching. The complementary N+P topology means a single SOIC-8 replaces two discrete SOT-23-class FETs, cutting board space roughly in half and shortening gate-drive loops, which reduces switching ringing and EMI. The device is specified at case temperature (Tc), so designers should derate current at higher ambient temperatures using the datasheet power-dissipation curves. Typical applications include automotive H-bridge and half-bridge motor control, DC-DC converter power stages, battery-powered load switches with polarity considerations, and industrial power distribution modules where a compact 30 V complementary switch pair is required. Design considerations: because the N- and P-channel dies share the package thermal path, total dissipation from both devices must be budgeted against the 3.3 W (Tc) limit; verify junction temperature with Vishay AN808 mounting guidance for LITTLE FOOT SO-8 power MOSFETs. This page synthesizes verified distributor pricing data, drop-in alternatives, pinout information, and practical design notes not consolidated in the manufacturer datasheet alone.
SQD50P06-15L_T4GE3 - 60V P-Channel 50A MOSFET TO-252 | Vishay
The Vishay Siliconix SQD50P06-15L_T4GE3 is an automotive-grade P-Channel TrenchFET power MOSFET rated for -60 V drain-to-source breakdown and -50 A continuous drain current (Tc) in a 3-pin TO-252AA (DPAK) surface-mount package. It delivers an ultra-low on-resistance of 15 mΩ typical at VGS = -10 V and supports 136 W power dissipation at 25 °C case temperature, making it a strong candidate for high-current load switching in automotive and industrial power systems. A P-Channel MOSFET is a voltage-controlled switch whose conduction channel is formed when a negative gate-to-source voltage (VGS) is applied relative to an N-type substrate. Unlike N-Channel MOSFETs, P-Channel devices allow the load to be tied to ground with the high-side switch referenced to the positive rail, simplifying circuits such as high-side load switches, reverse-battery protection, and half-bridge motor drivers. Within the broader taxonomy, the SQD50P06 sits in the hierarchy: P-Channel MOSFET → power MOSFET → discrete semiconductor → power management component. Its P-Channel polarity and TrenchFET construction give it inherent simplicity advantages over equivalent N-Channel high-side circuits, which require bootstrap or charge-pump gate drivers. Key differentiating specifications include 100 % Rg (gate resistance) tested for predictable switching performance, 100 % UIS (unclamped inductive switching) tested for ruggedness against automotive inductive transients, operation to 175 °C junction temperature for under-hood environments, and AEC-Q101 automotive qualification. The TO-252AA package combines a compact PCB footprint with a high-dissipation tab, supporting continuous 50 A switching with appropriate copper-cooling area. Typical applications for the SQD50P06-15L_T4GE3 include high-side load switches in automotive ECUs, motor-drive reverse-polarity protection, battery-management system (BMS) disconnect switches, and industrial solenoid or relay drivers. The -60 V rating also provides substantial margin against 24 V industrial bus transients and inductive kick events. When designing with the SQD50P06, gate-drive considerations matter: confirm VGS_off bias (typically +5 V to +10 V) is sufficient to fully enhance the channel, and place a small gate-source resistor (10 kΩ–100 kΩ) to prevent unintended turn-on from dv/dt coupling. The TO-252 tab should be soldered to at least 1 square inch of copper for thermal relief, especially when switching at high duty cycles. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including a parametric comparison against other TO-252 P-Channel MOSFETs from competing vendors.
SQD50P08-25L_GE3 - 80V P-Ch 50A Automotive MOSFET | Vishay
The Vishay Siliconix SQD50P08-25L_GE3 is an automotive-grade P-Channel TrenchFET power MOSFET rated at -80 V VDS, -50 A continuous drain current (TC), and 136 W power dissipation, housed in a surface-mount TO-252 (DPAK) package. It is part of Vishay's Automotive P-Channel 80 V (D-S) 175 °C MOSFET series and is qualified to AEC-Q101 with 100 % Rg and UIS testing for reliability in harsh environments. A P-Channel MOSFET (PMOS) is a type of field-effect transistor in which the channel is formed by holes rather than electrons. P-Channel MOSFETs are commonly employed as high-side switches in load-switch, reverse-battery protection, and H-bridge motor drive circuits. Within the broader taxonomy, this device sits at: power MOSFET -> discrete semiconductor -> semiconductor. As a P-Channel device, it turns ON when its gate is pulled below the source by approximately 10 V, enabling simple low-side gate drive when the load sits on the low side of the supply. Key differentiating specifications include a maximum on-resistance of 25 mΩ at VGS = -10 V, an operating junction temperature range up to +175 °C, and a low thermal resistance path via the DPAK tab to the PCB copper pour. The part supports avalanche operation (UIS tested) and is halogen-free per IEC 61249-2-21 and RoHS-compliant per Directive 2002/95/EC. Its TrenchFET® silicon technology minimizes conduction losses while sustaining high peak currents during inrush or motor stall events. Architecturally, the device uses Vishay's TrenchFET® process, where a vertical trench filled with gate polysilicon shortens the channel length and dramatically reduces RDS(on) per unit area. The result is a small DPAK-outline part that can switch -50 A continuously with proper PCB copper heat-sinking. The die is rated for 175 °C junction operation, giving significant thermal margin above typical automotive under-hood ambient temperatures. Typical applications include automotive load switching, high-side switching in 12 V/24 V systems, reverse-battery protection, motor drive H-bridges (high-side), and power OR-ing. The wide -80 V rating also supports industrial 48 V systems with adequate transient headroom for inductive loads. When designing with this part, ensure that the PCB copper area beneath the DPAK tab provides at least 1 square inch of 2-oz copper to keep the junction temperature below 150 °C at full rated current. A 10 V gate drive is required for guaranteed RDS(on); logic-level microcontrollers (3.3 V) cannot drive this part directly and require a gate driver. This page synthesizes AEC-Q101 compliance evidence, Pin Design verification, drop-in alternatives from Vishay's same family, and practical PCB thermal design guidance not collected in the manufacturer datasheet.
SQD50P08-28 - 80V P-Channel 48A TrenchFET MOSFET | Vishay
The Vishay Siliconix SQD50P08-28 is an automotive-grade P-channel TrenchFET power MOSFET rated at 80 V VDS, 48 A continuous drain current (TC), and 136 W power dissipation in a surface-mount TO-252AA (DPAK) package. It belongs to Vishay's TrenchFET P-channel family and is qualified to AEC-Q101 with 100% Rg tested and 100% UIS (unclamped inductive switching) tested, making it a robust choice for harsh automotive environments. What is a P-channel MOSFET? A P-channel MOSFET is a type of field-effect transistor in which the channel is formed by holes flowing from source to drain when a negative gate-to-source voltage is applied. As a member of the broader MOSFET hypernym hierarchy (P-channel MOSFET -> MOSFET -> FET -> power transistor -> discrete semiconductor), it is commonly used for high-side switching because it can be turned on by pulling the gate toward ground. The SQD50P08-28 specifically uses Vishay's TrenchFET technology, which reduces RDS(on) by etching vertical trenches into the silicon, dramatically lowering conduction losses versus planar MOSFETs. Key specifications include a maximum on-resistance of 28 mΩ at VGS = -10 V, a maximum gate threshold of -2.5 V (typical), and an operating junction temperature up to 175 °C. The TO-252AA package provides a low-profile surface-mount form factor suitable for automated PCB assembly while maintaining thermal performance for power dissipation. The device is halogen-free per Vishay's documentation and is supplied in tape-and-reel packaging for high-volume manufacturing. Typical applications include automotive load switching such as LED lighting drivers, HVAC blower motor control, power seat modules, and body electronics where high-side switches are preferred for fail-safe behavior. The P-channel topology eliminates the need for a charge pump or bootstrap circuit that would be required for an N-channel high-side switch, simplifying gate drive design. The 80 V rating also provides ample headroom for 12 V and 24 V automotive bus transients including load-dump pulses. Design considerations include ensuring the gate drive circuit can pull the gate to within -10 V of source for full enhancement, and providing adequate PCB copper area for thermal dissipation at high currents. Because P-channel devices have higher RDS(on) per unit silicon area than comparable N-channel parts, the SQD50P08-28 is best suited for switching applications rather than continuous linear operation.
SQJ431AEP - 200V P-Channel MOSFET 9.4A | Vishay Siliconix
The Vishay Siliconix SQJ431AEP is an automotive-grade P-Channel 200 V (D-S) MOSFET rated for 9.4 A continuous drain current and 68 W power dissipation, housed in a surface-mount PowerPAK SO-8 package. It uses Vishay's TrenchFET power MOSFET technology and is qualified to AEC-Q101 with 100 % Rg and UIS testing performed on every lot. The 200 V VDS rating combined with low on-resistance makes it suitable for high-side switching in automotive and industrial power systems. The part operates over a -55 °C to +175 °C junction temperature range, supporting under-hood and other thermally harsh environments. According to the manufacturer datasheet, the device is also halogen-free and RoHS compliant, with a PowerPAK SO-8 footprint that provides an exposed thermal pad for low thermal resistance. A P-Channel MOSFET is a type of metal-oxide-semiconductor field-effect transistor (MOSFET) in which the channel conductivity is carried by holes rather than electrons. P-Channel devices simplify high-side switching circuits because their source is connected to the supply rail and turning the device on only requires pulling the gate toward ground. Within the broader taxonomy, P-Channel MOSFETs are a subtype of power MOSFETs, which in turn belong to the discrete semiconductor family and ultimately to power management electronics. This hierarchy is useful when mapping the SQJ431AEP into system block diagrams: discrete semiconductor -> MOSFET -> P-Channel MOSFET -> TrenchFET -> automotive-grade power switch. Key features of the SQJ431AEP include a 200 V drain-source breakdown voltage, 9.4 A continuous ID at 25 °C case temperature, low RDS(on) per the part datasheet, a Logic-level capable gate threshold, and 100 % avalanche (UIS) tested construction. The AEC-Q101 qualification means the part has passed automotive-grade reliability stress tests including HTRB, HTGB, temperature cycling, and H3TRB, distinguishing it from commercial-only MOSFETs that share the same package. The PowerPAK SO-8 footprint delivers a much lower thermal resistance than a standard SO-8, enabling the 68 W dissipation figure. The SQJ431AEP's combination of 200 V rating and automotive qualification targets load switching, reverse-polarity protection, and high-side driver roles in 12 V and 24 V automotive systems, as well as industrial motor drive stages and battery management hot-swap paths. Designers favor P-Channel parts here to simplify the gate drive circuitry when the load must sit on the high side. Compared to N-Channel equivalents, P-Channel devices trade slightly higher RDS(on) for simpler drive logic, which is often worth the loss in 12 V-24 V systems. When laying out the PCB, place the source pad directly on a copper pour that connects to the supply rail and use multiple thermal vias under the exposed pad to pull heat into the inner planes. Always check the safe operating area at the intended switching frequency and worst-case load current before committing to the design.
SR2020CT - 20A 20V Dual Schottky Rectifier | Galaxy Semiconductor
The Galaxy Semiconductor SR2020CT is a dual Schottky barrier rectifier rated for 20 A forward current per leg and 20 V reverse voltage, housed in a through-hole TO-220AB package with a metal tab for heatsink mounting. It is manufactured by multiple qualified sources including UPM, Daco Semiconductor, Semtech Electronics, and Galaxy Semi-Conductor Holdings under the same SR2020CT nomenclature and footprint. A Schottky barrier rectifier is a type of power diode that uses a metal-semiconductor junction instead of a P-N junction. Because conduction is by majority carriers, Schottky diodes exhibit a lower forward voltage drop and essentially zero reverse recovery time compared with standard silicon rectifiers, making them the preferred output rectifier stage in switching power supplies, DC-DC converters, and battery-charging circuits where efficiency at low output voltages matters most. Key features of the SR2020CT include epitaxial construction with a guard ring for transient protection, majority-carrier conduction for fast switching, and an Underwriters Laboratory flammability classification 94V-0 molded plastic package. The dual (center-tap) configuration places two diodes in one TO-220AB outline, saving board space in push-pull and forward converter secondary sides. Reverse voltage spans 20 to 60 V across the family (SR2020CT through SR2060CT) at a common 20 A forward current rating. The guard-ring terminated metal-semiconductor junction suppresses avalanche and surface leakage, allowing conservative derating in inductive-load environments. Because reverse recovery charge is negligible, switching losses at 50-100 kHz converter frequencies remain low, and thermal design is dominated by conduction loss, calculated as Vf multiplied by average load current per leg. Typical applications include low-voltage, high-frequency inverters, output rectification in switching-mode power supplies, freewheeling diodes in synchronous buck topologies, reverse-polarity protection in automotive and solar battery systems, and secondary-side rectification in adapter and charger designs. Design consideration: at 20 A the conduction loss of roughly 10 W or more requires a heatsink or generous PCB copper with thermal grease; verify the forward-voltage-versus-current curve at your actual junction temperature. This page synthesizes verified datasheet ratings, drop-in family alternatives, pinout, and practical design notes not consolidated in any single manufacturer datasheet.
SR6G7C4 - High-Speed IGBT | STMicroelectronics
The SR6G7C4 is a high-speed IGBT (Insulated Gate Bipolar Transistor) manufactured by STMicroelectronics, designed for high-frequency switching applications. It features a collector-emitter voltage of 600V and a continuous collector current of 30A, making it suitable for power conversion circuits. The device is housed in a TO-247 package, which provides excellent thermal performance and is widely used in industrial power electronics. An IGBT (Insulated Gate Bipolar Transistor) is a three-terminal power semiconductor device that combines the high input impedance of a MOSFET with the low on-state voltage drop of a bipolar transistor. It is a key component in power electronics, serving as a switch in applications such as inverters, converters, and motor drives. IGBTs are part of the power semiconductor family, which also includes power MOSFETs and thyristors, and are essential for efficient power management in industrial and automotive systems. Key features of the SR6G7C4 include a low saturation voltage of 1.8V at 30A, a fast switching speed with a fall time of 60ns, and a maximum junction temperature of 175°C. The device also features a built-in anti-parallel diode, which simplifies circuit design and reduces component count. These specifications make it ideal for high-frequency switching applications where efficiency and thermal performance are critical. The SR6G7C4 utilizes a trench-gate field-stop technology, which reduces on-state losses and improves switching performance compared to conventional punch-through IGBTs. The device has a low gate charge of 120nC, enabling fast switching with minimal gate drive power. The built-in diode has a reverse recovery time of 80ns, which minimizes switching losses in bridge topologies. Typical applications include solar inverters, uninterruptible power supplies (UPS), welding machines, and motor drives. In solar inverters, the SR6G7C4's high efficiency and fast switching enable maximum power point tracking (MPPT) with minimal losses. In UPS systems, its robust thermal performance ensures reliable operation under continuous load conditions. When designing with the SR6G7C4, ensure proper gate drive voltage (typically 15V) and adequate snubber circuits to manage voltage spikes during switching. The TO-247 package requires a heatsink for high-power applications; thermal resistance is 0.5°C/W, so a heatsink with a thermal resistance of 1°C/W or lower is recommended for continuous operation at 30A.
SRF7S27125HSR3 - 125W RF Power LDMOSFET, 27V | NXP Semiconductors
The NXP Semiconductors SRF7S27125HSR3 is a 125 W, 27 V RF power LDMOSFET designed for high-efficiency UHF broadcast and industrial RF power amplifier applications. Housed in the NI-880S ceramic package (a flange-mount, hermetic RF transistor outline with two bolt-down tabs and a low-inductance ceramic top), it operates from a 27 V DC supply rail and delivers continuous-wave (CW) output power of 125 W across the UHF frequency band, with typical operation in the 470 MHz to 860 MHz television and DVB/DAB transmission spectrum. The device is built on NXP's high-voltage LDMOS (Laterally Diffused Metal-Oxide-Semiconductor) process technology, which combines the high breakdown voltage of a lateral MOSFET with the RF performance characteristics needed for broadband linear amplification. An RF power LDMOSFET is a specialized power transistor optimized for high-frequency, high-power signal amplification in the megahertz to gigahertz range. It belongs to the broader category of RF power transistors within discrete semiconductors, sitting above generic MOSFETs in the hierarchy: RF power transistor -> power MOSFET -> MOSFET -> discrete semiconductor. LDMOSFETs are distinguished by their laterally diffused drain structure, which provides higher breakdown voltage, better thermal stability, and higher gain-bandwidth product than conventional vertical MOSFETs, making them the de-facto standard for modern UHF and VHF broadcast transmitters, radar, and pulsed-RF applications. Key features of the SRF7S27125HSR3 include 125 W typical CW output power, 27 V drain-source operating voltage, high gain across UHF, integrated ESD protection, internal input matching for broadband operation, and a thermally enhanced NI-880S ceramic-metal flange package rated for high continuous dissipation. The part is characterized for harsh thermal environments typical of base-station and broadcast PA assemblies. Typical applications include UHF digital TV transmitters (DVB-T/T2, ATSC, ISDB-T), DAB (Digital Audio Broadcasting) transmitters, industrial RF heating and drying equipment, RF plasma generation systems, particle accelerator drivers, and high-power CW or pulsed scientific/medical RF sources. The 27 V bias rail aligns with broadcast-industry standardized power supply architectures. A critical design consideration is flange-mount thermal management. The ceramic NI-880S package must be bolted to a heatsink or cold plate with adequate thermal compound; insufficient mounting pressure or missing thermal interface material will cause the junction temperature to exceed rated limits at 125 W CW operation. The drain bias sequencing (gate voltage must be applied before drain voltage during turn-on) must also be respected to prevent device damage from drain-current transients. This page synthesizes manufacturer datasheet characteristics, distributor stock and pricing snapshots, and application-level design guidance not typically consolidated on distributor product pages.
SRF8S9260HSR3 - 75W 920-960MHz RF Power MOSFET | NXP
The NXP Semiconductors SRF8S9260HSR3 is an RF power field-effect transistor designed as an N-channel enhancement-mode lateral MOSFET, delivering 75 W average output power at 28 V supply in the 920-960 MHz band. Housed in the NI-880S ceramic package, it is built for cellular base-station power amplifiers in CDMA and multicarrier GSM applications where linearity and ruggedness are required. An RF power MOSFET (metal-oxide-semiconductor field-effect transistor) is a discrete lateral power device optimized for high-frequency amplification in the HF/VHF/UHF/microwave bands. Internally it integrates a large gate-periphery structure with low parasitic capacitances so it can deliver tens to hundreds of watts at GHz-range switching speeds. In the system hierarchy, it sits below the transceiver and above the antenna: the digital baseband is upconverted, mixed to RF, then amplified by the power MOSFET before reaching the duplexer and antenna. NXP's HV8 lateral process gives this family its 28 V operation and broadband 865-960 MHz coverage. Key electrical features include 28 V drain-source operating voltage, 1.7 A typical quiescent drain current, and 18.6 dB small-signal gain at 960 MHz in a Class-AB reference circuit. The device can be biased for Class AB (linear) or Class C (high-efficiency) operation, allowing designers to trade spectral regrowth against DC-RF efficiency depending on the modulation format. Internal matching and an integrated thermal sensor pad simplify board-level integration. Typical applications include W-CDMA, LTE, and multicarrier GSM base-station power amplifiers, RFID interrogators, and industrial RF heating where the same 28 V HV8 platform is reused across multiple bands. When designing with this part, maintain a copper/thermal compound interface under the ceramic flange to keep the die below 200 degrees C, and verify load-pull impedance at the target frequency because the optimal matching network drifts between 865 MHz and 960 MHz. This page synthesizes distributor pricing, same-brand drop-in alternatives from the MRF8S family, and practical RF design notes beyond what is found in the manufacturer datasheet alone.
SRV05-4 - 5V 4-Ch Low-Cap TVS Array, 12A 8/20us | onsemi
The onsemi SRV05-4MR6 is a low-capacitance transient voltage suppressor (TVS) diode array that protects four high-speed data lines from ESD, EFT, and lightning-induced transients, packaged in a 6-pin SOT-23-6 (MR6) surface-mount module. It features a 5 V working (reverse standoff) voltage, a 17.5 V clamping voltage at the rated 12 A 8/20 us surge current, and an extremely low typical line-to-line capacitance of approximately 3 pF, which preserves signal integrity on USB 2.0, HDMI, and LVDS interfaces. A TVS diode array is a solid-state silicon-avalanche protection device placed in parallel with sensitive I/O pins; when an overvoltage event exceeds its breakdown threshold, it avalanches to a low impedance and shunts transient current away from the protected device. Within the broader component hierarchy, the SRV05-4 sits under discrete semiconductors, then overvoltage/surge protection, then transient voltage suppressors, then TVS diode arrays, then semiconductor. It is the IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (lightning) compliance gatekeeper for downstream controllers. Key features include an array of surge-rated diodes with an integrated TVS element, a low operating voltage of 5.0 V that matches common 3.3 V/5 V logic rails, solid-state silicon-avalanche construction with no wear-out mechanism, and a small SOT-23-6 footprint that saves board area versus discrete TVS solutions. The RailClamp-style architecture minimizes capacitance imbalance between channels, reducing inter-symbol jitter on high-speed differential pairs. Technically, the device integrates steering diodes that route positive transients to the internal Zener/TVS clamp element on the Vcc reference, providing symmetrical ESD protection on every I/O pin relative to ground. The 12 A 8/20 us peak pulse rating corresponds to a peak pulse power in the 80 W range, and the IEC 61000-4-2 ESD rating reaches +/-15 kV air and +/-8 kV contact per the manufacturer datasheet. Typical applications include USB 2.0/USB-C data line protection, HDMI/DisplayPort TMDS lines, SD card slots, SIM card interfaces, LVDS lines in display panels, and 10/100 Ethernet PHYs. In each case the array's low capacitance keeps the eye diagram closed while the TVS element absorbs the surge. When designing with the SRV05-4, place the device as close as possible to the external connector to keep the protected trace inductance low, and route the ground connection directly to the chassis/earth ground via a short, wide trace to maximize ESD/eft dissipation. Always observe the maximum working voltage rating to avoid DC leakage during normal operation. This page synthesizes distributor pricing, drop-in alternatives, parametric comparisons, and practical design notes not aggregated in any single source on the web, intended to give procurement and design engineers a one-stop reference for SRV05-4.
SRVBS260NT3G - 60V 2A Surface Mount Schottky Rectifier | onsemi
The onsemi SRVBS260NT3G is a 2 A, 60 V surface-mount Schottky power rectifier supplied in an SMB package with a matte-tin lead finish. It is a single-diode, dual-terminal, C-bend surface-mount rectifier from onsemi's low-voltage, high-frequency Schottky barrier family, employing epitaxial construction with oxide passivation and metal overlay contact. A Schottky rectifier is a semiconductor diode that uses a metal-semiconductor junction instead of a P-N junction, producing a lower forward voltage drop (typically 0.3 V to 0.7 V versus 0.7 V to 1.0 V for silicon P-N diodes) and faster switching. This class of diode sits within the broader hierarchy of rectifier diode -> discrete semiconductor -> power component, and is a fundamental building block of any switch-mode power supply, freewheeling path, or polarity-protection circuit. Key features include a 60 V reverse test voltage (VRRM), 2 A maximum average forward rectified current, a maximum forward voltage of 0.63 V at 2 A, and an operating temperature range of -55 C to +125 C. The SMB outline is rated for a peak reflow temperature of 260 C, making the part compatible with standard JEDEC J-STD-020 reflow profiles. The device is well suited to low-voltage, high-frequency switching power supplies, freewheeling diodes, and polarity-protection diodes where its low VF and fast recovery characteristics reduce conduction and switching losses simultaneously. The epitaxial Schottky construction provides tight forward-voltage distribution and stable leakage behavior over temperature. The metal overlay contact reduces localized heating at the junction, while oxide passivation guards the junction surface against contamination and humidity-induced drift. Compared to conventional rectifier diodes, the SRVBS260NT3G offers an order-of-magnitude faster reverse recovery, which is the dominant loss mechanism in 100 kHz to 1 MHz switching converters. Designers can therefore use the part directly across synchronous-rectifier replacement gaps, across low-side freewheeling positions, and as a discrete OR-ing diode in redundant power paths. Typical applications include low-voltage DC-DC converters, freewheeling diodes across inductive loads (relays, solenoids, motors), reverse-polarity protection at the input of a battery-powered device, and OR-ing of redundant power rails in telecom and server hardware. The 60 V rating provides ample margin for 24 V industrial buses and 48 V telecom rails when used as a reverse-polarity blocker in series with the source. When designing with this device, account for the negative temperature coefficient of the forward voltage: VF decreases as junction temperature rises, which can cause thermal runaway if the part is mounted on a small land pattern without adequate copper heat-spreading. Use a minimum 50 mm^2 of copper per terminal and keep trace lengths short to minimize parasitic inductance in high-di/dt loops. This page synthesizes distributor pricing, drop-in onsemi and cross-brand alternatives, and practical thermal and PCB layout guidance not consolidated in any single manufacturer or distributor resource.
SS0530 - 30V 500mA Schottky Diode SOD-123 | Panjit
The Panjit International SS0530 is a 30V, 500mA surface-mount Schottky barrier diode supplied in the SOD-123 small-outline plastic package. It is rated for a repetitive peak reverse voltage (VRRM) of 30V, a DC forward current of 0.5A, and a peak surge forward current of 5.0A, making it a general-purpose low-voltage rectifier for polarity protection, free-wheeling, and DC-DC converter OR-ing stages. The device is supplied on tape-and-reel as the SS0530_R1_00001 ordering code. A Schottky barrier diode is a unipolar semiconductor device formed by a metal-semiconductor junction rather than the PN junction used in conventional signal diodes. This construction eliminates the minority-carrier storage charge, which gives Schottky diodes a much faster reverse-recovery time (typically sub-nanosecond) and a lower forward voltage drop (Vf) at a given current than a silicon rectifier of equivalent die size. The trade-off is a higher reverse leakage current and a lower peak reverse-voltage rating than PN-junction rectifiers - so Schottky parts are used at 5V, 12V, 24V, and 48V rails rather than the 200V+ mains range. Key features of the SS0530 include very low forward voltage drop, fast reverse recovery, a guard ring construction for transient protection, and an SOD-123 outline that is interchangeable with the industry-standard B5817W / B5819W / SK12 / SS14 footprints used by Vishay, onsemi, Diodes Inc., and others. The part is fully RoHS compliant and is built with a Pb-free matte-tin finish suitable for lead-free reflow profiles up to 260C peak. The SS0530 is positioned as a low-Vf, 0.5A Schottky diode in the SS0520-SS0540 family. The die uses a guard-ring structure to improve transient energy capability and long-term reliability under repetitive surge conditions such as those seen at the output of a switching converter or inside a USB / Bluetooth or DC motor drive rail. Typical applications include low-voltage DC-DC converters as the synchronous-rectifier or OR-ing diode, free-wheeling diode across relay coils and solenoids, reverse-polarity polarity protection on USB ports and battery packs, and signal clamping in low-frequency audio and instrumentation. Panjit recommends it for switching power supplies, mobile devices, and computer peripherals where 0.5A and 30V are within the design envelope. When designing with the SS0530, observe the maximum forward current derating above 25C (typically 2.5 mA/C for SOD-123) and ensure that the reverse voltage never exceeds 30V, including any inductive transient overshoot. A small series resistor or RC snubber is recommended across inductive loads to keep the device inside its Safe Operating Area. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single source for evaluation, sourcing, and second-source qualification of the SS0530.
SS0530T/R - 30V 500mA Schottky Diode SOD-123 | PANJIT
The PANJIT SS0530T/R is a 30 V, 500 mA surface-mount Schottky barrier diode in the SOD-123 (Plastic Package-2) outline. It is supplied on a Tape and Reel carrier (the "/R" suffix denotes the T&R packaging code) for high-volume pick-and-place assembly. According to the manufacturer datasheet, the SS0530 family is designed for surface-mount applications where low forward voltage drop, fast switching, and a PN-junction guard ring for transient and ESD protection are required. A Schottky diode is a semiconductor device formed by a metal-semiconductor junction rather than the P-N junction used in conventional rectifiers. This construction yields a lower forward voltage drop (typically 0.35 V to 0.55 V at the rated current), negligible reverse-recovery time, and faster switching speed. As a member of the discrete-semi > diodes family, the SS0530 sits at the entry level of the Schottky rectifier hierarchy (Schottky diode -> rectifier diode -> discrete semiconductor), and is widely used as a low-loss rectifier, reverse-polarity blocker, or OR-ing element in 5 V to 24 V power rails. Key features include a 30 V peak repetitive reverse voltage (VRRM), a 500 mA average rectified forward current (IF(AV)) rating, low turn-on voltage, and solderable terminals qualified to MIL-STD-202 Method 208. The molded green plastic SOD-123 package weighs approximately 0.008 g and is polarity-banded per the standard SOD-123 cathode-bar convention. The PN-junction guard ring integrated into the die improves transient and ESD robustness versus simple Schottky structures. The SS0530 uses a barrier-style Schottky die in a SOD-123 outline, allowing it to replace larger SMA-packaged parts on many PCBs while maintaining thermal performance adequate for 500 mA continuous conduction when the land pattern is sized correctly. Its fast switching makes it suitable for high-frequency DC-DC converter outputs, freewheeling roles, and signal clamping in low-voltage logic interfaces. Typical applications include low-voltage rectification in portable and battery-powered devices, freewheeling diodes across relay coils and inductors, reverse-polarity protection on USB and 5 V to 12 V rails, and DC-DC converter output rectification. The 30 V reverse rating comfortably covers 5 V, 12 V, and 24 V nominal buses. When designing with this part, ensure the PCB land pattern follows the JEDEC SOD-123 recommendation and that the cathode band orientation is observed. Avoid exceeding 500 mA continuous forward current, and derate appropriately if the ambient temperature exceeds 25 C. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
SS0530_R1_00001 - 30V 500mA Schottky Diode | Panjit | SOD-123
The Panjit SS0530_R1_00001 is a 30 V, 500 mA surface-mount Schottky barrier diode (SBD) housed in a SOD-123 package, supplied on tape and reel for high-volume SMT assembly. It is a single-phase, single-element rectifier diode in the Schottky family, specified with a 30 V repetitive peak reverse voltage (VRRM), 500 mA average rectified forward current, and a typical forward voltage drop of 430 mV at 500 mA. A Schottky barrier diode is a semiconductor rectifier that uses a metal-semiconductor junction instead of a PN junction, eliminating the minority-carrier charge-storage delay. This places Schottky diodes in the broader hierarchy: diode -> rectifier -> discrete semiconductor -> power component. The Schottky construction yields a lower forward voltage drop and faster switching than standard silicon rectifiers, making SS0530_R1_00001 ideal for low-voltage, high-efficiency power conversion where conduction loss matters more than blocking voltage. Key features include 30 V reverse voltage rating, 500 mA continuous forward current, low VF of 430 mV at 500 mA to minimize conduction loss, fast switching for high-frequency rectification, a small SOD-123 surface-mount footprint, and tape-and-reel packaging for automated pick-and-place assembly. The device is RoHS compliant per distributor listings. These characteristics make the part a cost-effective choice for low-power DC-DC converters, freewheeling diodes, and reverse-polarity protection circuits. The Schottky barrier construction inherently limits leakage current and reverse recovery time, so the SS0530_R1_00001 can be used in switching regulators up to several hundred kHz without the switching losses associated with PN-junction rectifiers. Its thermal performance is dominated by the small SOD-123 die, which is suitable for moderate continuous current but requires attention to PCB copper area at full 500 mA load. Typical applications include low-voltage buck/boost converter freewheeling, DC polarity protection in USB chargers and adapters, signal clamping and OR-ing in low-voltage distribution rails, and small-signal RF detector circuits. The 30 V VRRM also provides ample headroom for 12 V automotive and 24 V industrial rail protection. When designing with this part, ensure the PCB land pattern follows the SOD-123 standard and provide adequate copper area on both anode and cathode pads for thermal dissipation. At 500 mA continuous forward current, a minimum of 25 mm² of copper per pad is recommended to keep the junction temperature within safe limits. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing a single reference for engineers evaluating the SS0530_R1_00001.
SS24T3G - 40V 2A SMB Schottky Rectifier | onsemi
The onsemi SS24T3G is a 40 V, 2 A surface-mount Schottky barrier power rectifier in the SMB power surface-mount package, featuring epitaxial construction with oxide passivation and a metal-overlay contact for low forward voltage drop and fast switching. The device is rated for a repetitive peak reverse voltage (VRRM) of 40 V and an average rectified forward current of 2 A, with a low forward voltage drop characteristic of the Schottky barrier principle that minimizes conduction losses in low-voltage, high-frequency rectification. It is supplied in tape-and-reel packaging (suffix T3) on a 2,500-piece reel. A Schottky diode is a unipolar semiconductor rectifier formed by a metal-semiconductor junction rather than a PN junction, which eliminates minority-carrier charge storage and enables switching speeds orders of magnitude faster than conventional silicon rectifiers. Within the broader taxonomy, the SS24T3G sits under: Schottky diode -> rectifier diode -> discrete semiconductor -> electronic component. Compared to standard recovery rectifiers (1N400x series) and ultrafast recovery diodes, Schottky rectifiers trade higher reverse leakage for lower forward voltage and negligible reverse-recovery time, making them the preferred choice for low-voltage, high-frequency power conversion. Key features include a guard ring for transient protection, a low-profile SMB package suitable for automated assembly, and a moisture sensitivity level of MSL 1 (unlimited floor life per JEDEC J-STD-020). The oxide-passivated epitaxial construction provides long-term stability of forward voltage drop and reverse leakage. The metal-overlay contact geometry yields a robust die-to-package interconnect that survives thermal cycling typical of SMPS environments. Architecturally, the SS24T3G uses a single Schottky barrier die encapsulated in a moulded epoxy SMB body with a copper-lead frame and a matte-tin plated finish for lead-free reflow compatibility. The asymmetric minority-carrier-free conduction mechanism means switching loss is dominated by capacitive charge (Qc) rather than reverse recovery, enabling efficient operation at switching frequencies from tens to hundreds of kHz. Typical applications include low-voltage, high-frequency switching power supplies as free-wheeling diodes, polarity-protection diodes in DC distribution rails, and OR-ing diodes in redundant power architectures. It is well-suited as the output rectifier on a 12 V or 24 V buck-derived rail. When designing with this part, observe the SMB power-package land-pattern recommendation and respect the derating curve above 25 C ambient. For high-frequency operation, the capacitive charge Qc dominates switching loss and should be accounted for in efficiency analysis. This page synthesizes distributor pricing, drop-in alternatives in the same SMB footprint, and practical thermal and layout design notes not found in the manufacturer datasheet alone.
SS310L - 3A 100V Schottky Barrier Rectifier | Taiwan Semiconductor
The Taiwan Semiconductor SS310L is a 3 A, 100 V surface-mount Schottky barrier rectifier in a Sub-SMA (DO-214AC compatible, low-profile) package, rated for an operating junction temperature range of -55C to +125C. A Schottky barrier rectifier is a type of power diode that uses a metal-semiconductor junction instead of a P-N junction, producing a significantly lower forward voltage drop (typically around 0.5 V to 0.7 V at rated current for a 100 V class device) and near-zero reverse recovery charge. Within the power-management hierarchy, it belongs to the rectifier diode family, itself a subset of discrete power semiconductors used for AC-to-DC conversion and reverse-polarity protection. Key differentiating characteristics of the SS310L include its 3 A average forward rectified current rating, its 100 V repetitive peak reverse voltage (VRRM) - the top of the SS3xL series voltage range that spans 40 V to 100 V per the manufacturer datasheet - and its compact Sub-SMA footprint suited to space-constrained boards. The 'L' suffix designates the low-profile, lead-free package variant. Technically, the majority-carrier Schottky structure delivers fast switching with essentially no reverse recovery, reducing switching losses in high-frequency converters. Thermal performance depends on PCB copper area because the SMA-style package dissipates power primarily through its solderable terminations; derating above ambient temperature follows the manufacturer's power-versus-temperature curve. Typical applications include low-voltage DC-DC converter output rectification and freewheeling, reverse-polarity and ORing protection in battery-powered equipment, and polarity protection on power adapters and charging ports. Its low forward drop directly reduces conduction loss and heat in these roles. Design consideration: at a 3 A load with an estimated 0.6 V forward drop, conduction dissipation is roughly 1.8 W, so generous copper pour on both terminations is recommended to keep junction temperature within the +125C maximum. Never substitute a lower-voltage (e.g., 40 V SS34L) part where transients can exceed 100 V. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
SS310L-R2 - 3A 100V Schottky Rectifier SMA | Taiwan Semiconductor
The Taiwan Semiconductor SS310L-R2 is a 3 A surface-mount Schottky barrier rectifier with a 100 V repetitive peak reverse voltage (VRRM) and a low forward voltage drop of approximately 700 mV, housed in the molded-plastic SMA (DO-214AC) package with built-in strain relief for pick-and-place assembly. A Schottky barrier rectifier is a type of power diode that uses a metal-semiconductor junction instead of a P-N junction, which produces a characteristically low forward voltage drop and near-zero reverse recovery time. Within the power electronics hierarchy, it belongs to the discrete semiconductor family: diode -> rectifier diode -> Schottky barrier rectifier. These devices are the workhorse rectification elements in switching power supplies, where they convert pulsating current into DC and dissipate minimal conduction loss. Key features of the SS310L include the 3 A average forward rectified current rating, the 100 V reverse voltage class, low forward voltage for reduced heat generation, and a metallurgically bonded construction for reliable mechanical and thermal performance. The epoxy body is UL 94 V-0 flame-retardant rated, and polarity is marked by a color band on the cathode end for easy pick-and-place orientation. Technically, the Schottky barrier structure eliminates reverse recovery charge, so switching losses at typical SMPS frequencies of 50 kHz to several hundred kHz are negligible compared with ultrafast P-N junction diodes. The trade-off is higher reverse leakage current, which increases with temperature - designers must account for thermal runaway margins in hot environments and derate current above the specified case or lead temperature. Typical applications include free-wheeling diodes in buck converters and relay drivers, output rectification in low-voltage switching power supplies, reverse-polarity protection in automotive and industrial inputs, and battery charging circuits where low conduction loss directly improves efficiency. A key design consideration is thermal management: at 3 A with roughly 0.7 V forward drop, conduction loss is about 2.1 W, so adequate PCB copper area on the SMA pads is essential to keep junction temperature within rating. Estimated figures based on the 700 mV typical VF; always verify against the specific test conditions in the manufacturer datasheet. This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
SS310L-RUG - 3A 100V Schottky Rectifier Sub SMA | Taiwan Semiconductor
The Taiwan Semiconductor SS310L-RUG is a 3 A, 100 V surface mount Schottky barrier rectifier housed in a compact Sub SMA (DO-214AC style) package, designed for efficient power rectification in space-constrained electronics. The suffix RUG identifies the RoHS-compliant, lead-free plating and reel packaging option. A Schottky barrier rectifier is a type of power diode that uses a metal-semiconductor junction instead of a conventional P-N junction. This construction yields a lower forward voltage drop and dramatically reduced reverse-recovery charge, making Schottky rectifiers the preferred choice for switching power supplies, DC-DC converters, and reverse-polarity protection where conduction losses and switching losses both matter. Rectifiers form the discrete-semiconductor layer of the broader power management hierarchy, sitting alongside MOSFETs and controller ICs. Key features include a 100 V reverse voltage rating suitable for 12 V, 24 V, and 48 V rail systems, a 3 A average forward current capability, and low reverse leakage typical of the SS310L series. The surface mount Sub SMA package saves board area versus SMA and SMB alternatives while maintaining solderability through reflow profiles. Technically, the metal-semiconductor junction of the SS310L switches from forward to reverse conduction with essentially no reverse recovery, which is why it excels in freewheeling, output rectification, and ORing applications at switching frequencies common in modern converters. The operating junction range of -55C to +150C supports industrial and automotive-adjacent environments. Typical applications include secondary-side rectification in flyback and buck converters, reverse battery and reverse polarity protection, freewheeling diodes for inductive loads, and DC-DC converter output stages in consumer, industrial, and networking equipment. In design, size the copper pad area for the package thermal resistance and derate forward current at elevated ambient temperature; verify reverse leakage at maximum junction temperature, since Schottky leakage rises exponentially. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
SS310L-RVG - 3A 100V Schottky Rectifier | Taiwan Semiconductor
The Taiwan Semiconductor SS310L-RVG is a 3 A, 100 V surface-mount Schottky barrier rectifier in a sub-SMA (DO-214AC-compatible) package, designed for low power loss and high-frequency rectification in compact power supplies. A Schottky barrier rectifier is a type of power diode that replaces the conventional P-N junction with a metal-semiconductor junction, producing a lower forward voltage drop and near-zero reverse recovery charge. Within the power management hierarchy, it sits alongside rectifier diodes as a discrete semiconductor used to convert and steer current in switched-mode power supplies, and its surface-mount sub-SMA outline belongs to the broader SMA/DO-214AC surface-mount diode family. Key features of the SS310L include a 100 V reverse voltage rating, a 3 A average forward current capability, low power loss for improved efficiency, and high surge current capability for inrush-prone circuits. The 'L' suffix denotes a low-reverse-leakage version of the widely used SS310 series, an important advantage in battery-powered and high-temperature designs where leakage-induced standby drain and thermal runaway risk must be minimized. Technically, the metal-semiconductor junction of a Schottky rectifier conducts with a forward voltage well below that of an ultrafast silicon P-N diode at equivalent current, reducing conduction loss in the 3 A path. Because recovery charge is negligible, switching loss stays low at high frequency, making the device well suited as an output or freewheeling rectifier in converters operating at tens to hundreds of kilohertz. Surge current capability absorbs the repetitive peak currents found in flyback and buck secondary sides. Typical applications include secondary-side output rectification in AC-DC adapters and chargers, freewheeling and catch diodes in buck and boost converters, reverse-polarity and reverse-battery protection, and DC-DC modules in consumer, industrial, and networking equipment. When designing with the SS310L-RVG, verify junction temperature against the worst-case combination of average current, forward voltage, and ambient temperature, and provide adequate PCB copper on both terminals for heat dissipation. Always confirm the exact current and leakage specifications in the manufacturer datasheet before finalizing derating margins. This page synthesizes distributor inventory data, drop-in alternative cross-references, and practical design guidance not found in the manufacturer datasheet, helping engineers select and buy the right 3 A 100 V Schottky rectifier quickly.
SSM3K35CT - 20V N-Channel MOSFET, 0.18A, SOT-883 | Toshiba
The Toshiba SSM3K35CT is a silicon N-channel enhancement-mode power MOSFET rated at 20 V V(BR)DSS and 0.18 A continuous drain current, housed in an ultra-small CST3 (SOT-883) surface-mount package. It features a typical on-resistance of 3.0 Ω at VGS = 4 V and is targeted at high-speed switching and analog-switch applications where board real estate is at a premium. A MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is a voltage-controlled three-terminal device in which the gate electric field modulates the conducting channel between drain and source. Small-signal N-channel MOSFETs such as the SSM3K35CT sit in the discrete-semiconductor hierarchy: MOSFET -> field-effect transistor -> transistor -> semiconductor -> discrete component. They are typically used as low-side switches, level shifters, or analog signal gates in portable, wearable, and space-constrained designs. Key features of the SSM3K35CT include a 20 V drain-source breakdown voltage suitable for 3.3 V and 5 V logic rails, a low gate threshold tailored to logic-level drive, a typical on-resistance of 3.0 Ω at VGS = 4 V, and a 100 mW power dissipation rating. Its CST3 (SOT-883) leadless package measures approximately 1.0 x 0.6 x 0.5 mm, making it one of the smallest standard MOSFET outlines available from Toshiba. The device is built on a silicon N-channel MOS process and is qualified for high-speed switching, supporting fast rise and fall times at low gate charge. The device's 3.0 Ω Rds(on) at 4 V VGS yields modest conduction loss at sub-100 mA loads. Designers should note that the rated continuous drain current of 0.18 A applies to a specific reference footprint and copper area; in dense layouts with limited copper, the effective continuous current will be lower due to thermal derating. The enhancement-mode behavior means the device is off at VGS = 0 and turns on only when the gate exceeds the threshold voltage, making it directly compatible with logic-level GPIO drive. Typical applications include load switching in smartphones and wearables, analog-signal gating in audio or sensor front ends, level translation between low-voltage microcontrollers and 5 V peripherals, high-side or low-side switching in battery-powered IoT nodes, and DC-DC converter synchronous-rectifier stages in compact point-of-load designs. Designers typically pair the SSM3K35CT with a small-signal gate resistor (typically 100 Ω to 1 kΩ) to control ringing. When designing with this part, account for the SOT-883 land-pattern requirements: the package has no leads but exposes the drain and source through bottom-side contacts, requiring precise PCB stencil and reflow control. Confirm the thermal pad is properly soldered to maintain the rated power dissipation. Designers should consult the Toshiba datasheet for absolute maximum ratings, switching loss curves, and safe operating area before finalizing the BOM.
SSM3K35CT-L3F - 20V 0.18A N-Channel MOSFET SOT-883 | Toshiba
The Toshiba SSM3K35CT-L3F is a single N-channel silicon MOSFET rated at 20 V V(DSS) and 0.18 A continuous drain current, housed in an ultra-compact SOT-883 (CST3) surface-mount package and specified for high-speed switching and analog-switch applications. Key headline parameters are a maximum drain-source voltage of 20 V, a continuous drain current of 180 mA, and an on-resistance of 3.0 Ω at VGS = 4 V, with the part delivered on an 8 mm embossed tape-and-reel format (L3F suffix). What is an N-channel MOSFET? An N-channel MOSFET (metal-oxide-semiconductor field-effect transistor) is a voltage-controlled semiconductor device whose majority carriers are electrons. The technology sits inside the broader taxonomy of discrete semiconductors → transistors → MOSFETs → small-signal MOSFETs, and is the workhorse of low-voltage load switching, level shifting, and analog multiplexing. A small-signal N-channel MOSFET like the SSM3K35CT is optimized for very low gate charge, fast switching edges, and minimal on-state resistance at low drain currents, making it the preferred building block when a bipolar transistor is too slow or too leaky. Key differentiating features include a rated gate threshold voltage compatible with 1.8 V/2.5 V/3.3 V logic drive, a single die in a 3-pin CST3 package measuring only 1.0 mm x 0.6 mm with a maximum height of 0.5 mm, and a rated power dissipation that supports portable and wearable designs. The part is lead-free, RoHS-compliant, and qualified for standard reflow profiles. Its low input capacitance translates into sub-10 ns turn-on and turn-off times, which is critical for high-speed analog-switch signal paths. Architecturally, the SSM3K35CT uses a standard Toshiba UMOS-style trench cell, which gives the device a low figure of merit (RDS(on) x Qg) for its current class. The 20 V BVDSS rating provides comfortable margin for 5 V USB rails, 3.3 V logic, and 12 V point-of-load distribution, while the 3.0 Ω on-resistance at 4 VGS keeps conduction losses low for sub-100 mA loads such as indicator LEDs, bias gates, and reset lines. The compact SOT-883 footprint allows dense PCB placement next to passive protection or filtering networks. Typical applications include high-speed analog switching in audio multiplexers, load switching in portable and wearable electronics, level-shifting interfaces between low-voltage microcontrollers and 5 V peripherals, USB On-The-Go (OTG) power-path management, reset-distribution and gate-driver pre-driver stages, and LED matrix row/column drivers for small-format displays. When designing with the SSM3K35CT-L3F, observe the 500 mW power dissipation limit and provide adequate copper thermal relief on the SOT-883 land pattern. For switching loads above 50 mA, add a 10 kΩ gate pull-down resistor to guarantee a defined off-state when the driving logic enters high-impedance during reset or sleep. This page synthesizes verified distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers a single source for engineering and procurement decisions.
STB100N10F7 - 100V, 100A N-Channel Power MOSFET | STMicroelectronics
The STB100N10F7 is an N-channel Power MOSFET from STMicroelectronics, designed for high-current switching applications. It features a drain-to-source voltage (VDS) of 100V and a continuous drain current (ID) of 100A at 25°C, making it suitable for power conversion, motor control, and automotive systems. The device is housed in a D2PAK (TO-263) package, which provides excellent thermal performance and is compatible with standard surface-mount assembly processes. A Power MOSFET is a type of field-effect transistor optimized for high-power switching and amplification. It operates by controlling the conductivity between the drain and source terminals through an insulated gate, allowing efficient switching at high voltages and currents. Power MOSFETs are fundamental building blocks in power electronics, serving as switches in DC-DC converters, motor drivers, and power supplies. They are part of the broader category of discrete semiconductors, which also includes diodes, thyristors, and IGBTs, each tailored for specific power-handling requirements. Key features of the STB100N10F7 include a low on-state resistance (RDS(on)) of typically 8.5 mΩ at VGS = 10V, which minimizes conduction losses and improves efficiency. The device also offers a fast switching speed with a total gate charge (Qg) of 110 nC, enabling high-frequency operation. The MOSFET is avalanche-rated, with an avalanche energy (EAS) of 400 mJ, ensuring robustness in inductive load switching. Additionally, it features a wide operating temperature range from -55°C to +175°C, making it suitable for harsh environments. The STB100N10F7 utilizes STMicroelectronics' advanced strip-layout technology, which reduces on-state resistance and parasitic capacitances. This technology enhances the device's switching performance and thermal stability, allowing it to handle high current densities without compromising reliability. The device also includes an integrated gate-source ESD protection, improving its robustness during handling and assembly. Typical applications include DC-DC converters, motor control circuits, power supplies, and automotive systems such as electric power steering and battery management. The high current rating and low RDS(on) make it ideal for synchronous rectification in switch-mode power supplies, where efficiency is critical. In motor control, the fast switching speed and avalanche capability ensure reliable operation under inductive load conditions. When designing with this device, ensure adequate gate drive voltage (typically 10V) to achieve the lowest RDS(on). Proper PCB layout with short, wide traces for high-current paths is essential to minimize parasitic inductance and resistance. Additionally, consider thermal management by using the exposed pad of the D2PAK package with a sufficient copper area for heat dissipation.