BCP56

{
  "slug": "bcp56",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Bipolar (BJT), SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "bcp56",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bcp56.kicad_sym",
    "bcp56.kicad_mod",
    "bcp56.glb",
    "bcp56.step",
    "bcp56.lbr",
    "docs/hero.png",
    "docs/bcp56-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bcp56-hero.glb",
    "bcp56-hero.overlay.json"
  ],
  "component": {
    "mpn": "BCP56",
    "manufacturer": "Changjing",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182546724171776",
    "parts": {
      "symbol": "bcp56.kicad_sym",
      "footprint": "bcp56.kicad_mod",
      "model_3d": "bcp56-hero.glb",
      "model_3d_plain": "bcp56.glb",
      "model_3d_step": "bcp56-etched.step",
      "model_3d_step_plain": "bcp56.step",
      "lbr": "bcp56.lbr"
    },
    "distributor_links": {
      "lcsc": "C95810",
      "mouser": "512-BCP56"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T00:55:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "512-BCP56",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "Base terminal of the NPN transistor; the emitter-base voltage rating VEBO is 5 V."
      },
      {
        "number": "2",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal of the NPN transistor; for BCP56 the collector-base voltage VCBO is 100 V, the collector-emitter voltage VCEO is 80 V, and the continuous collector current IC is 1 A."
      },
      {
        "number": "3",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal of the NPN transistor; the emitter-base voltage rating VEBO is 5 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet covers the SOT-223 package only, so the SOT-223 pinout applies to BCP56. Pin numbers a; The datasheet lists only three pins. The SOT-223 package normally has a fourth (tab) terminal, but t; The datasheet gives BCP54/55/56 together. The values in the pin descriptions for BCP56 are taken fro"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0304,
        "at": "2026-10-09T00:54:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182546724171776",
        "pages": 4,
        "sha256": "4f8918c4f4f89dcd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bcp56.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bcp56-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6f0c4960c1237c3fd5694c4b88d125da1c26bfec6b18356d2d673540547b178c",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}