component

45P40

Public Made by Adom

by adom

GOFORD MOSFETs, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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45P40

GOFORD · MOSFETs · TO-252

45P40 from GOFORD, in a TO-252. 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 P-channel MOSFET, with VGS rated ±20 V and VGS(th) of -1.2 V min to -2.5 V max at ID = -250µA.
2 D passive Drain, the center lead which is also the exposed tab; VDS rated -40 V and continuous ID -45 A at TC = 25ºC.
3 S passive Source; continuous body diode current IS is -45 A at TC = 25ºC.

Key specifications

Parameter Value
Manufacturer GOFORD
Package TO-252
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 -40 V 1
Continuous Drain Current ID -45 A TC = 25ºC 1
Continuous Drain Current ID -28 A TC = 100ºC 1
Pulsed Drain Current IDM -180 A 1
Gate-Source Voltage VGS -20 20 V 1
Power Dissipation PD 80 W 1
Single pulse avalanche energy EAS 132 mJ 1
Operating Junction and Storage Temperature Range TJ, Tstg -55 150 ºC 1
Thermal Resistance, Junction-to-Ambient RthJA 50 ºC/W 1
Thermal Resistance, Junction-to-Case RthJC 1.56 ºC/W 1
Drain-Source Breakdown Voltage V(BR)DSS -40 V VGS = 0V, ID = -250µA 2
Zero Gate Voltage Drain Current IDSS -1 μA VDS = -40V, VGS = 0V 2
Gate-Source Leakage IGSS -100 100 nA VGS = ±20V 2
Gate-Source Threshold Voltage VGS(th) -1.2 -1.6 -2.5 V VDS = VGS, ID = -250µA 2
Drain-Source On-Resistance RDS(on) 11 14 mΩ VGS = -10V, ID = -20A 2
Drain-Source On-Resistance RDS(on) 15 20 mΩ VGS = -4.5V, ID = -20A 2
Continuous Body Diode Current IS -45 A TC = 25ºC 2
Body Diode Voltage VSD -1.2 V TJ = 25ºC, ISD = -20A, VGS = 0V 2

CAD (KiCad official)

  • Symbol: 45P40
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: 45p40-etched.step / 45p40-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 45p40.step / 45p40.glb are the bare package body.

Provenance

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

  • Datasheet: GOFORD datasheet (6 pp, sha256 aa05b67b6e959aa5, retrieved 2026-10-19, 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