FR107-T - 1A 1000V Fast Recovery Rectifier DO-41 | Diodes Incorporated
Référence : FR107-T ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $0.18 | $0,18 |
| 10 | $0.15 | $1,50 |
| 100 | $0.11 | $11,00 |
| 500 | $0.085 | $42,50 |
| 1 000 | $0.065 | $65,00 |
| 5 000 | $0.048 | $240,00 |
FR107-T Présentation
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.
Alternatives de remplacement direct pour FR107-T — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
FR107
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
FR106-T
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
FR207-T
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
FR107-T
✅ Remplacement direct✓ En stock
$0.048 / unité
Voir la fiche technique →FR107-T
✅ Remplacement direct✓ En stock
$0.048 / unité
Voir la fiche technique →FR157
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
UF4007
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
FR107-T Valeurs maximales et caractéristiques électriques
| Diode Type | Fast Recovery Rectifier |
| Maximum DC Reverse Voltage (Vr) | 1000 V |
| Average Rectified Forward Current (Io) | 1.0 A |
| Forward Voltage (Vf) Max @ If | 1.3 V @ 1 A |
| Reverse Recovery Time (trr) | 500 ns (typical, fast recovery) |
| Junction Operating Temperature Range | -65C to +150C |
| Boîtier / Format | DO-41 (DO-204AL), axial through-hole |
| Nombre de broches | 2 |
| Type de montage | Through Hole |
| UL Flammability Rating | 94V-0 |
| Statut RoHS | Compliant |
| Construction | Glass-passivated diffused silicon die, void-free molded plastic body |
| Capable of Meeting Environmental Tests | MIL-STD-750C |
Configuration des broches de FR107-T
| Broche 1 | Anode — Positive terminal of the rectifier diode |
| Broche 2 | Cathode — Negative terminal; banded end of the DO-41 body indicates cathode |
Applications typiques
FR107-T convient pour 7 applications: Switch-Mode Power Supply Secondary Rectification, 50/60 Hz Bridge Rectifier Stage, Freewheeling / Flyback Diode for Inductive Loads, DC-DC Converter Secondary Rectifier, Inverter Auxiliary Rail Rectifier, Snubber and Clamping Circuits, Battery Charger Rectifier Stage.
Switch-Mode Power Supply Secondary Rectification
The FR107-T functions as a secondary-side rectifier in flyback and forward converters up to approximately 50 kHz switching frequency. Its 1000 V reverse blocking comfortably handles 230 VAC line-rectified rails (peak ~325 V plus margin), while the 1 A average current suits sub-50 W SMPS outputs at 5-24 V. Why FR107-T fits: the 500 ns trr class is fast enough to limit reverse-recovery losses at 50 kHz operation, and the 1.3 V Vf keeps conduction loss manageable at the 1 A load. How it is used: the diode is placed across the transformer secondary winding with cathode to the output rail, paired with an output LC filter; unlike a Schottky, FR107-T tolerates the full reflected voltage stress from the primary switch without avalanche breakdown, but at the cost of higher forward drop than a 100 V Schottky alternative. Trade-off: at low output voltages (<12 V) the 1.3 V drop represents significant loss; consider Schottky for sub-12 V outputs and FR107-T for 24 V and above.
Recommandé
50/60 Hz Bridge Rectifier Stage
In a full-bridge or half-wave rectifier following a low-voltage transformer (e.g., 12-0-12 V secondary), FR107-T serves as a reliable, low-cost AC-to-DC converter element. Why FR107-T fits: 50/60 Hz line-frequency rectification imposes no recovery-time challenge (the 500 ns trr is far below the 8-10 ms half-cycle period), so FR107-T outperforms more expensive ultrafast parts with no efficiency benefit. The 1000 V Vr provides ample margin against transients from inductive kickback on transformer collapse. How it is used: one FR107-T per secondary leg in a bridge configuration, or two in a center-tapped arrangement; output feeds a reservoir capacitor sized to meet ripple current ratings. Trade-off: at line frequency, the standard-recovery 1N4007 is functionally equivalent and slightly cheaper, but FR107-T is the preferred choice when the same BOM also feeds a higher-frequency sub-rail, since one part covers both use cases.
Recommandé
Freewheeling / Flyback Diode for Inductive Loads
FR107-T is commonly placed across relay coils, solenoid windings, and DC motor windings to suppress the back-EMF generated when the driving transistor opens. Why FR107-T fits: at 1 A and 1000 V, it handles the inductive kickback from 12-48 V coils with substantial margin, and the 1.3 V forward drop dissipates the stored energy harmlessly as heat. How it is used: cathode to the positive supply rail, anode to the switched node; the diode conducts only when the driving switch opens, clamping the inductive spike to within 1.3 V of the rail. Trade-off: for switching frequencies above a few hundred Hz, the trr becomes the limiting factor; for high-frequency PWM-driven solenoids or motors, prefer UF4007 or a Schottky with reverse voltage rated for your supply rail plus transient headroom.
Recommandé
DC-DC Converter Secondary Rectifier
In push-pull and bridge-type DC-DC converter topologies, FR107-T provides secondary-side rectification at switching frequencies in the 20-100 kHz range. Why FR107-T fits: at 20-50 kHz the 500 ns trr adds minimal recovery loss (typically 2-5% efficiency penalty), and the 1000 V reverse rating covers converter secondary voltages up to several hundred volts in high-voltage DC bus designs (e.g., telecom 48 V to 380 V PFC stages). How it is used: full-wave center-tapped or bridge arrangement on the secondary winding, with RC snubbers across each diode to limit dv/dt-induced reverse-recovery overshoot. Trade-off: above 100 kHz hard-switched operation, Qrr-driven switching loss becomes a measurable portion of total loss; in that range, FR107-T should be evaluated against UF4007 (trr ~50 ns) or SiC Schottky parts in similar packages.
Recommandé
Inverter Auxiliary Rail Rectifier
Variable-frequency drives (VFDs) and solar inverters use FR107-T to rectify auxiliary power supply rails that power gate drivers, fans, and control-board housekeeping supplies. Why FR107-T fits: inverter environments expose rectifier components to high dV/dt and reflected switching transients from the main power stage; the 1000 V Vr gives design margin against these reflected spikes, and the 1 A current rating matches typical 5-15 W auxiliary supplies. How it is used: as the rectifier in a small flyback or forward auxiliary supply, often alongside a linear regulator for the final rail. Trade-off: for inverter DC bus voltages above 600 V, derate FR107-T voltage to 80% (so 800 V max) to provide transient headroom against bus ringing; consider HER108 (1000 V, 1 A high-efficiency) for tighter efficiency targets.
Recommandé
Snubber and Clamping Circuits
FR107-T is used in RCD snubber networks and clamping circuits across switching transistors (BJTs, MOSFETs, IGBTs) to limit voltage overshoot during turn-off. Why FR107-T fits: the 500 ns trr is more than adequate for clamping (which operates on the primary switching transient), the 1000 V Vr handles the bulk capacitor voltage with margin, and the 1 A peak surge tolerates repetitive transient currents from hard-switched transitions. How it is used: in series with a parallel RC network across the switching device; the diode provides a one-way path for the snubber capacitor to discharge through the resistor on the next switching cycle. Trade-off: for very high dV/dt applications (>10 kV/us), a faster diode or a TVS clamp may offer tighter voltage limiting.
Recommandé
Battery Charger Rectifier Stage
Linear and switch-mode battery chargers for lead-acid and small Li-ion packs use FR107-T as the rectification element between the transformer secondary and the charge-controller input. Why FR107-T fits: the 1000 V reverse rating provides huge margin against the typical 15-30 V secondary, the 1 A continuous rating matches 1-2 A charger outputs, and the 500 ns trr is fast enough for the 50-100 kHz switching frequency used in compact chargers. How it is used: full-wave rectifier feeding a bulk capacitor, then the charge controller IC; the FR107-T's low leakage ensures minimal idle drain when the charger is connected but not actively charging. Trade-off: chargers with synchronous rectification (using MOSFETs) achieve 2-5% higher efficiency but at added complexity; FR107-T offers the simpler, lower-cost path for non-synchronous designs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour FR107-T — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | FR107 | FR106-T | FR207-T | FR107-T (Rectron) | FR107-T (MCC) | FR157 | UF4007 |
|---|---|---|---|---|---|---|---|---|
| Brand | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Rectron | Micro Commercial Components | Multiple Manufacturers | Multiple Manufacturers |
| Package | DO-41 | DO-41 (same) | DO-41 (same) | DO-41 (same) | DO-41 (same) | DO-41 (same) | DO-41 (same) | DO-41 (same) |
| Maximum Reverse Voltage (Vr) | 1000 V | 1000 V | 800 V | 1000 V | 1000 V | 1000 V | 1000 V | 1000 V |
| Average Rectified Forward Current (Io) | 1.0 A | 1.0 A | 1.0 A | 2.0 A | 1.0 A | 1.0 A | 1.5 A | 1.0 A |
| Forward Voltage (Vf) Max @ 1 A | 1.3 V | 1.3 V | 1.3 V | 1.3 V | 1.3 V | 1.3 V | 1.3 V | 1.7 V |
| Reverse Recovery Time (trr) | ~500 ns (fast recovery) | ~500 ns | ~500 ns | ~500 ns | ~500 ns | ~500 ns | ~500 ns | ~50 ns (ultrafast) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Packaging | Tape & Reel (-T) | Bulk Ammo Pack | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel / Bulk | Tape & Reel / Bulk |
| RoHS Compliance | Yes | Yes | Yes | Yes | Yes | Yes | Depends on supplier | Depends on supplier |
Principaux différenciateurs
- Highest voltage rating in the FR101-FR107 family (vs FR106-T)
- Half the current rating at half the cost of FR207-T (vs FR207-T)
- Single part covers both line-frequency and switch-mode uses (vs UF4007)
Notes de conception
Estimated: at 1 A continuous forward current with Vf=1.3 V and leads at 25C ambient, the FR107-T dissipates 1.3 W. The DO-41 package has a typical thermal resistance junction-to-lead (theta_JL) around 25 C/W (datasheet varies; verify per supplier), producing roughly 33C junction rise over lead temperature. For continuous 1 A operation, mount the diode with the standard 25-30 mm lead length to allow axial heat conduction into the PCB copper and surrounding air. For applications requiring sustained 1 A in environments above 60C, derate to 0.7-0.8 A or attach a small clip-on heatsink to the body. For pulsing loads (e.g., SMPS secondary), the FR107-T's repetitive peak surge rating allows substantially higher instantaneous currents.
Mount the FR107-T vertically or horizontally with the standard DO-41 lead forming; maintain at least 5 mm clearance between adjacent diodes to limit thermal coupling. Keep the diode body away from tall electrolytic capacitors that could radiate heat into the rectifier, and place it on the cooler side of the PCB if possible. Bend leads at least 3 mm from the body to avoid mechanical stress cracking the glass-to-package seal. For automated insertion, FR107-T's tape-and-reel packaging matches the standard axial-component feeders used by most through-hole insertion equipment.
Do not apply reverse voltages above 1000 V DC (or 700 V RMS). Adding a series fuse rated at 1.5-2 A prevents catastrophic failure from reverse breakdown. Avoid using FR107-T as a direct substitute for 1N4007 in switching applications where reverse recovery matters - the 500 ns trr introduces switching losses that the 1N4007's much slower recovery does not (because the 1N4007 is unsuitable for switching anyway, so the comparison only matters in switch-mode designs). When using in snubber circuits, verify the peak repetitive reverse voltage stays below 80% of Vr (so <800 V) to provide transient derating margin against switching overshoot.
Informations de conformité
RoHS compliant per Diodes Incorporated product page. UL 94V-0 flammability rating per package datasheet. MIL-STD-750C environmental test capable. Not AEC-Q100 qualified; for automotive use, an AEC-Q100 rectifiers should be substituted.
