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MUR2040CT

LGE · Fast Recovery / High Efficiency Diodes · TO-220AB

MUR2040CT from LGE, 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 A1 passive Anode of the first rectifier diode, in the positive center-tap (common-cathode) configuration used for the MUR2040CT (400 V VRRM, 10 A per leg at 20 A total).
2 CT passive Common cathode center tap of both diodes, which is electrically connected to the case/tab.
3 A2 passive Anode of the second rectifier diode in the positive center-tap (common-cathode) configuration.

Key specifications

Parameter Value
Manufacturer LGE
Package TO-220AB
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 recurrent peak reverse voltage VRRM 400 V 1
Maximum RMS voltage VRMS 280 V 1
Maximum DC blocking voltage VDC 400 V 1
Maximum average forward rectified current IF(AV) 20 A @TC= 95 1
Peak forward surge current IFSM 125 A 8.3ms single half-sine-wave superimposed on rated load @TJ=125 1
Maximum instantaneous forward voltage VF 1.3 V @ 10A 1
Maximum reverse recovery time trr 50 ns Note 1: measured with IF=0.5A, IR=1A, Irr=0.25A 1
Operating junction temperature range TJ -55 150 °C 1
Storage temperature range TSTG -55 150 °C 1

CAD (KiCad official)

  • Symbol: MUR2040CT
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220AB (KiCad packages3D, STEP)
  • 3D model files: mur2040ct-etched.step / mur2040ct-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mur2040ct.step / mur2040ct.glb are the bare package body.

Provenance

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

  • Datasheet: LGE datasheet (2 pp, sha256 4b005123209034db, retrieved 2026-10-21, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF