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MUR4040PT

Wild Goose · Fast Recovery / High Efficiency Diodes · TO-247

MUR4040PT from Wild Goose, in a TO-247. 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 Anode passive Anode terminal of the 40A super fast recovery rectifier; the datasheet gives a maximum forward voltage of 1.30 V at 20A per element for MUR4040PT.
2 Cathode passive Cathode terminal of the rectifier; the datasheet gives a maximum repetitive reverse voltage of 400 V for MUR4040PT.
3 Anode passive Second anode terminal of the rectifier; the datasheet gives a maximum average forward current of 40 A for the device.

Key specifications

Parameter Value
Manufacturer Wild Goose
Package TO-247
Category Diodes
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
Maximum Repetitive Reverse Voltage VRRM 400 V 1
DC Blocking Voltage VDC 400 V 1
Maximum Average Forward Current IAV 40 A 1
Peak Forward Surge Current IFSM 450 A 8.3ms single half sine-wave, superimposed on rated load (JEDEC method) 1
Maximum Forward Voltage VF 1.3 V at 20A, per element 1
Maximum DC Reverse Current IR 1 µA TA=25ºC, rated DC blocking voltage 1
Maximum DC Reverse Current IR 300 µA TA=100ºC, rated DC blocking voltage 1
Maximum Reverse Recovery Time TRR 50 ns Note 1: IF=.5A, IR=1A, Irr=.25A 1
Maximum Thermal Resistance, junction to case RΘ-JC 3 ºC/W Note 2: thermal resistance from junction to case 1
Operating Junction and Storage Temperature Range TJ,TSTG -55 150 ºC 1

CAD (KiCad official)

  • Symbol: MUR4040PT
  • Footprint: Package_TO_SOT_THT:TO-247-3_Vertical
  • 3D model: TO-247 (KiCad packages3D, STEP)
  • 3D model files: mur4040pt-etched.step / mur4040pt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mur4040pt.step / mur4040pt.glb are the bare package body.

Provenance

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

  • Datasheet: Wild Goose datasheet (3 pp, sha256 eda2021a228585d3, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF