component
IRFB7437PBF
Public Made by Adomby adom
Infineon Technologies MOSFETs, TO-220AB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 28d ago |
| viewers | 28d ago |
| irfb7437pbf-etched.glb | 28d ago |
| irfb7437pbf-etched.step | 28d ago |
| irfb7437pbf-hero.glb | 28d ago |
| irfb7437pbf-hero.overlay.json | 28d ago |
| irfb7437pbf.glb | 28d ago |
| irfb7437pbf.kicad_mod | 28d ago |
| irfb7437pbf.kicad_sym | 28d ago |
| irfb7437pbf.lbr | 28d ago |
| irfb7437pbf.step | 28d ago |
| package.json | 28d ago |
| page.json | 24d ago |
| README.md | 24d ago |
IRFB7437PBF
Infineon Technologies · MOSFETs · TO-220AB
IRFB7437PBF from Infineon Technologies, in a TO-220AB. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | G | input | Gate of the HEXFET; the absolute maximum gate-to-source voltage is ±20 V. |
| 2 | D | passive | Drain of the MOSFET, rated for VDSS 40 V with continuous ID of 250 A (silicon limited) and 195 A (package limited) at TC = 25°C. |
| 3 | S | passive | Source of the MOSFET; the body diode continuous source current is rated at 250 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Infineon Technologies |
| Package | TO-220AB |
| Category | Transistors/Thyristors |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Continuous Drain Current (Silicon Limited), TC=25°C | ID | 250 | A | VGS @ 10V (Silicon Limited) | 2 | ||
| Continuous Drain Current (Silicon Limited), TC=100°C | ID | 180 | A | VGS @ 10V (Silicon Limited) | 2 | ||
| Continuous Drain Current (Wire Bond Limited), TC=25°C | ID | 195 | A | VGS @ 10V (Wire Bond Limited) | 2 | ||
| Pulsed Drain Current | IDM | 1000 | A | 2 | |||
| Maximum Power Dissipation | PD | 230 | W | TC = 25°C | 2 | ||
| Linear Derating Factor | 1.5 | W/°C | 2 | ||||
| Gate-to-Source Voltage | VGS | -20 | 20 | V | 2 | ||
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55 | 175 | °C | 2 | ||
| Soldering Temperature, for 10 seconds | 300 | °C | 10 s, 1.6 mm from case | 2 | |||
| Mounting Torque | 10 | lbf in | 6-32 or M3 screw | 2 | |||
| Mounting Torque | 1.1 | N m | 6-32 or M3 screw | 2 | |||
| Single Pulse Avalanche Energy (Thermally limited), L=1mH | EAS | 802 | mJ | 2 | |||
| Junction-to-Case Thermal Resistance | RθJC | 0.65 | °C/W | 2 | |||
| Case-to-Sink Thermal Resistance, Flat Greased Surface | RθCS | 0.5 | °C/W | Flat, greased surface | 2 | ||
| Junction-to-Ambient Thermal Resistance | RθJA | 62 | °C/W | 2 | |||
| Drain-to-Source Breakdown Voltage | V(BR)DSS | 40 | V | VGS = 0V, ID = 250μA | 2 | ||
| Static Drain-to-Source On-Resistance | RDS(on) | 1.5 | 2 | mΩ | VGS = 10V, ID = 100A | 2 | |
| Gate Threshold Voltage | VGS(th) | 2.2 | 3 | 3.9 | V | VDS = VGS, ID = 150μA | 2 |
| Drain-to-Source Leakage Current | IDSS | 1 | μA | VDS = 40V, VGS = 0V | 2 | ||
| Drain-to-Source Leakage Current | IDSS | 150 | μA | VDS = 40V, VGS = 0V, TJ = 125°C | 2 | ||
| Gate-to-Source Forward Leakage | IGSS | 100 | nA | VGS = 20V | 2 | ||
| Gate-to-Source Reverse Leakage | IGSS | -100 | nA | VGS = -20V | 2 | ||
| Forward Transconductance | gfs | 160 | S | VDS = 10V, ID = 100A | 3 | ||
| Total Gate Charge | Qg | 150 | 225 | nC | ID = 100A, VDS = 20V, VGS = 10V | 3 | |
| Continuous Source Current (Body Diode) | IS | 250 | A | 3 | |||
| Pulsed Source Current (Body Diode) | ISM | 1000 | A | 3 | |||
| Diode Forward Voltage | VSD | 1 | 1.3 | V | TJ = 25°C, IS = 100A, VGS = 0V | 3 |
CAD (KiCad official)
- Symbol:
IRFB7437PBF - Footprint:
Package_TO_SOT_THT:TO-220-3_Vertical - 3D model: TO-220AB (KiCad packages3D, STEP)
- 3D model files:
irfb7437pbf-etched.step/irfb7437pbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);irfb7437pbf.step/irfb7437pbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Infineon Technologies datasheet (10 pp, sha256
c030fa46e3d44242, retrieved 2026-10-10, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).