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BCA120S40D2

Public Made by Adom

by adom

Bestirpower SiC Diodes, TO-247-2. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BCA120S40D2

Bestirpower · SiC Diodes · TO-247-2

BCA120S40D2 from Bestirpower, in a TO-247-2. 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 K passive Cathode, connected internally to the case/tab; repetitive peak reverse voltage 1200 V, forward current 40 A at TC = 150℃.
2 A passive Anode of the SiC Schottky diode; forward voltage 1.39 V typ (1.70 V max) at IF = 40 A, TC = 25℃.

Key specifications

Parameter Value
Manufacturer Bestirpower
Package TO-247-2
Category Silicon Carbide (SiC) Devices
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Repetitive Peak Reverse Voltage VRRM 1200 V 1
Forward Current IF 115 A TC = 25℃ 1
Forward Current 50 A TC = 135℃ 1
Forward Current 40 A TC = 150℃ 1
Non-Repetitive Forward Surge Current IF,SM 345 A TC = 25℃, tp = 10 ms 1
Non-Repetitive Forward Surge Current IF,SM 200 A TC = 110℃, tp = 10 ms 1
Non-Repetitive Peak Forward Current IF,Max 1570 A TC = 25℃, tp = 10 μs 1
Non-Repetitive Peak Forward Current IF,Max 1335 A TC = 150℃, tp = 10 μs 1
I2dt value I2dt 253 A2s TC = 25℃, tp = 10 ms 1
I2dt value I2dt 182 A2s TC = 150℃, tp = 10 ms 1
Power Dissipation Ptot 556 W TC = 25℃ 1
Operating Junction and Storage Temperature TJ,TSTG -55 175 ℃ 1
Thermal Resistance, Junction to Case RθJC 0.27 ℃/W 1
Forward Voltage VF 1.39 1.7 V IF = 40 A, TC = 25℃ 2
Forward Voltage VF 1.8 V IF = 40 A, TC = 175℃ 2
Reverse Current IR 10 100 μA VR = 1200 V, TC = 25℃ 2
Reverse Current IR 300 μA VR = 1200 V, TC = 175℃ 2

CAD (KiCad official)

  • Symbol: BCA120S40D2
  • Footprint: Package_TO_SOT_THT:TO-247-2_Vertical
  • 3D model: TO-247-2 (KiCad packages3D, STEP)
  • 3D model files: bca120s40d2-etched.step / bca120s40d2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bca120s40d2.step / bca120s40d2.glb are the bare package body.

Provenance

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

  • Datasheet: Bestirpower datasheet (6 pp, sha256 1fa8a46e34839f95, retrieved 2026-10-16, 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