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Contents

README

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BCW120D30D2

Bestirpower · SiC Diodes · TO-247-3

BCW120D30D2 from Bestirpower, in a TO-247-3. 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 diode leg 1 of the dual SiC Schottky diode (1200 V VRRM, 15 A per leg, 30 A per device).
2 K passive Common cathode of both diode legs, internally connected to the case/tab per the pin diagram.
3 A2 passive Anode of diode leg 2 of the dual SiC Schottky diode (1200 V VRRM, 15 A per leg, 30 A per device).

Key specifications

Parameter Value
Manufacturer Bestirpower
Package TO-247-3
Category Silicon Carbide (SiC) Devices
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
Repetitive Peak Reverse Voltage VRRM 1200 V TC = 25℃ 1
Forward Current IF 30 A TC = 147℃ 1
Non-Repetitive Forward Surge Current IF,SM 106 A TC = 25℃, tp = 10 ms 1
Non-Repetitive Forward Surge Current IF,SM 90 A TC = 150℃, tp = 10 ms 1
Non-Repetitive Forward Surge Current IF,SM 850 A TC = 25℃, tp = 10 μs 1
Non-Repetitive Peak Forward Current IF,Max 722 A TC = 150℃, tp = 10 μs 1
I²t value ∫I²dt 56 A²s TC = 25℃, tp = 10 ms 1
I²t value ∫I²dt 40 A²s TC = 150℃, tp = 10 ms 1
Power Dissipation Ptot 183 W TC = 25℃ 1
Operating Junction and Storage Temperature TJ,TSTG -55 175 ℃ 1
Forward Voltage VF 1.39 1.7 V IF = 15 A, TC = 25℃ 2
Forward Voltage VF 1.8 V IF = 15 A, TC = 175℃ 2
Reverse Current IR 100 μA VR = 1200 V, TC = 25℃ 2
Reverse Current IR 300 μA VR = 1200 V, TC = 175℃ 2
Thermal Resistance, Junction to Case, Max. RθJC 0.82 ℃/W Per Leg 2
Thermal Resistance, Junction to Case, Max. RθJC 0.4 ℃/W Per Device 2

CAD (KiCad official)

  • Symbol: BCW120D30D2
  • Footprint: Package_TO_SOT_THT:TO-247-3_Vertical
  • 3D model: TO-247-3 (KiCad packages3D, STEP)
  • 3D model files: bcw120d30d2-etched.step / bcw120d30d2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bcw120d30d2.step / bcw120d30d2.glb are the bare package body.

Provenance

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

  • Datasheet: Bestirpower datasheet (6 pp, sha256 ff7c11efc58b3ad4, 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