main
History Download
Ray Publish 0.1.0 fe82a9f 17d ago

IRFI740GPBF

Vishay Intertech · MOSFETs · TO-220

IRFI740GPBF from Vishay Intertech, in a TO-220. 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; controls the channel with VGS rated ±20 V maximum and a threshold of 2.0 to 4.0 V at ID = 250 µA.
2 D passive Drain; rated for VDS = 400 V with continuous current of 5.4 A at TC = 25 °C and a pulsed current of 22 A.
3 S passive Source; the body diode carries a continuous source current of 5.4 A and a pulsed current of 22 A.

Key specifications

Parameter Value
Manufacturer Vishay Intertech
Package TO-220
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
Drain-Source Voltage VDS 400 V 1
Gate-Source Voltage VGS -20 20 V 1
Continuous Drain Current ID 5.4 A VGS at 10 V, TC = 25 °C 1
Continuous Drain Current ID 3.4 A VGS at 10 V, TC = 100 °C 1
Pulsed Drain Current IDM 22 A 1
Single Pulse Avalanche Energy EAS 390 mJ note b: VDD = 50 V, starting TJ = 25 °C, L = 23 mH, Rg = 25 Ω, IAS = 5.4 A 1
Repetitive Avalanche Current IAR 5.4 A 1
Repetitive Avalanche Energy EAR 4 mJ 1
Maximum Power Dissipation PD 40 W TC = 25 °C 1
Peak Diode Recovery dV/dt dV/dt 4 V/ns see note c 1
Operating Junction and Storage Temperature Range TJ, Tstg -55 150 °C 1
Soldering Recommendations (Peak temperature) 300 °C for 10 s; note d: 1.6 mm from case 1
Maximum Junction-to-Ambient RthJA 65 °C/W 2
Maximum Junction-to-Case (Drain) RthJC 3.1 °C/W 2
Drain-Source Breakdown Voltage VDS 400 V VGS = 0 V, ID = 250 μA 2
Gate-Source Threshold Voltage VGS(th) 2 4 V VDS = VGS, ID = 250 μA 2
Gate-Source Leakage IGSS -100 100 nA VGS = ± 20 V 2
Zero Gate Voltage Drain Current IDSS 25 μA VDS = 400 V, VGS = 0 V 2
Zero Gate Voltage Drain Current IDSS 250 μA VDS = 320 V, VGS = 0 V, TJ = 125 °C 2
Drain-Source On-State Resistance RDS(on) 0.55 Ω VGS = 10 V, ID = 3.2 A 2
Forward Transconductance gfs 3.6 S VDS = 50 V, ID = 3.2 A 2
Gate Input Resistance Rg 0.2 1.3 Ω f = 1 MHz, open drain 2
Continuous Source-Drain Diode Current IS 5.4 A MOSFET symbol showing the integral reverse p-n junction diode 2
Pulsed Diode Forward Current ISM 22 A 2
Body Diode Voltage VSD 2 V TJ = 25 °C, IS = 5.4 A, VGS = 0 V 2
Body Diode Reverse Recovery Time trr 330 730 ns TJ = 25 °C, IF = 10 A, dI/dt = 100 A/μs 2
Body Diode Reverse Recovery Charge Qrr 2.8 6.6 μC TJ = 25 °C, IF = 10 A, dI/dt = 100 A/μs 2
Total Gate Charge Qg 66 nC VGS = 10 V, ID = 10 A, VDS = 320 V, see fig. 6 and 13 2
Gate-Source Charge Qgs 10 nC VGS = 10 V, ID = 10 A, VDS = 320 V, see fig. 6 and 13 2
Gate-Drain Charge Qgd 33 nC VGS = 10 V, ID = 10 A, VDS = 320 V, see fig. 6 and 13 2
Linear Derating Factor 0.32 W/°C 1

CAD (KiCad official)

  • Symbol: IRFI740GPBF
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220 (KiCad packages3D, STEP)
  • 3D model files: irfi740gpbf-etched.step / irfi740gpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); irfi740gpbf.step / irfi740gpbf.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Vishay Intertech datasheet (8 pp, sha256 3f0a6e09927a3c9b, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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).

Datasheet PDF