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Contents

README

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CI20S120C3

Tokmas · SiC Diodes · TO-220-2

CI20S120C3 from Tokmas, in a TO-220-2. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 A passive Anode of the SiC Schottky barrier diode. Forward current up to 54.5A continuous at TC=25°C, VF typ. 1.5V at IF=20A, TJ=25°C.
2 K passive Cathode of the SiC Schottky barrier diode. Repetitive peak reverse voltage VRRM = 1200V; electrically common with the TO-220 metal tab/case.

Key specifications

Parameter Value
Manufacturer Tokmas
Package TO-220-2
Category Silicon Carbide (SiC) Devices
Pins 2

CAD (KiCad official)

  • Symbol: CI20S120C3
  • Footprint: Package_TO_SOT_THT:TO-220-2_Vertical
  • 3D model: TO-220-2 (KiCad packages3D, STEP)
  • 3D model files: ci20s120c3-etched.step / ci20s120c3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ci20s120c3.step / ci20s120c3.glb are the bare package body.

Provenance

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

  • Datasheet: Tokmas datasheet (None pp, sha256 56228300234994e4, retrieved 2026-08-17, 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