CI20S120D3

{
  "schema_version": 1,
  "type": "component",
  "slug": "ci20s120d3",
  "title": "CI20S120D3",
  "brief": "Tokmas SiC Diodes, TO-247-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "silicon carbide (sic) devices",
    "ci20s120d3"
  ],
  "component": {
    "mpn": "CI20S120D3",
    "manufacturer": "Tokmas",
    "package": "TO-247-3",
    "pin_count": 3,
    "category": "Silicon Carbide (SiC) Devices",
    "subcategory": "SiC Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894868517367808",
    "parts": {
      "symbol": "ci20s120d3.kicad_sym",
      "footprint": "ci20s120d3.kicad_mod",
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      "model_3d_plain": "ci20s120d3.glb",
      "model_3d_step": "ci20s120d3-etched.step",
      "model_3d_step_plain": "ci20s120d3.step",
      "lbr": "ci20s120d3.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "passive",
        "description": "Anode of internal Schottky die 1. Per-leg forward current 34 A @ TC=25 °C, VF ≈ 1.5 V typ @ IF=10 A, TJ=25 °C. Blocking voltage 1200 V (VRRM) with respect to the common cathode (pin 2 / CASE)."
      },
      {
        "number": "2",
        "name": "K",
        "type": "passive",
        "description": "Common cathode of both internal Schottky dies, electrically tied to the metal CASE / heatsink tab. Handles up to 68 A per device continuous forward current and blocks 1200 V (VRRM) against the two anodes (pins 1 and 3). Case must be treated as live at cathode potential for isolation and creepage design."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "passive",
        "description": "Anode of internal Schottky die 2. Per-leg forward current 34 A @ TC=25 °C, VF ≈ 1.5 V typ @ IF=10 A, TJ=25 °C. Blocking voltage 1200 V (VRRM) with respect to the common cathode (pin 2 / CASE)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894868517367808",
        "pages": null,
        "sha256": "d0afd267b4867a31",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          15.9,
          5.03,
          41.1
        ],
        "zmin_mm": -15.83,
        "centre_offset_mm": 0.185,
        "footprint_binding": "identity",
        "sha256": "ec0db59b04bcea2e0db6f976bf3ab8644e761c8b0059239f77f4febd6dc9eff4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ci20s120d3-etched.step",
        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          5.03,
          41.1
        ],
        "zmin_mm": -15.83,
        "centre_offset_mm": 0.185,
        "footprint_binding": "identity",
        "sha256": "c896174b54cdd75cfd8e481033ba7a39b735e0c428a183bbd71a2b464adc51bc",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Tokmas",
      "Package": "TO-247-3",
      "Category": "Silicon Carbide (SiC) Devices",
      "Pins": "3"
    }
  },
  "variants": [
    {
      "mpn": "CI20S120D3",
      "kind": "packaging"
    }
  ],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "CI20S120D3 (Tokmas) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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    "ci20s120d3.step",
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  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:04:33.425Z"
}