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MURB1040CT

Public Made by Adom

by adom

Suzhou Good Ark Elec Fast Recovery / High Efficiency Diodes, TO-263-2. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

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MURB1040CT

Suzhou Good Ark Elec · Fast Recovery / High Efficiency Diodes · TO-263-2

MURB1040CT from Suzhou Good Ark Elec, in a TO-263-2. 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 diode (PIN 1); this leg is rated 5 A average forward current at Tc=105°C and 400 V VRRM.
2 A2 passive Anode of the second diode (PIN 2); this leg is rated 5 A average forward current at Tc=105°C and 400 V VRRM.
TAB K passive Common cathode of both diodes, connected to the heatsink tab (labelled K and HEATSINK); the device is rated 10 A total.

Key specifications

Parameter Value
Manufacturer Suzhou Good Ark Elec
Package TO-263-2
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 peak reverse voltage VRRM 400 V 1
Working peak reverse voltage VRWM 400 V 1
Maximum DC blocking voltage VDC 400 V 1
Maximum average forward rectified current IF(AV) 10 A Tc=105°C, total device 1
Maximum average forward rectified current IF(AV) 5 A Tc=105°C, per diode 1
Peak forward surge current IFSM 90 A 8.3ms single half sine-wave superimposed on rated load, per diode 1
Voltage rate of change (rated VR) DV/dt 10000 V/us rated VR 1
Operating junction temperature range TJ -55 150 °C 1
Storage temperature range TSTG -55 150 °C 1
Lead temperature for soldering purposes 260 °C for 10 sec 1
Maximum reverse recover time Trr 35 ns If=0.5Amp, IR=1.0Amp, Irec=0.25Amp 1
Maximum instantaneous forward voltage per leg VF 1.4 V IF=5A, TC=25°C 1
Maximum instantaneous forward voltage per leg VF 1.3 V IF=5A, TC=125°C 1
Maximum reverse current per leg at working peak reverse voltage IR 10 uA TJ=25°C 1
Maximum reverse current per leg at working peak reverse voltage IR 500 uA TJ=100°C 1
Thermal resistance, junction to case per leg RθJC 2 °C/W per leg 1
Thermal resistance, junction to ambient per leg RθJA 62.5 °C/W per leg 1

CAD (KiCad official)

  • Symbol: MURB1040CT
  • Footprint: Package_TO_SOT_SMD:TO-263-2
  • 3D model: TO-263-2 (KiCad packages3D, STEP)
  • 3D model files: murb1040ct-etched.step / murb1040ct-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); murb1040ct.step / murb1040ct.glb are the bare package body.

Provenance

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

  • Datasheet: Suzhou Good Ark Elec datasheet (4 pp, sha256 178a70524d3308ff, 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