BC547C

{
  "slug": "bc547c",
  "version": "0.1.0",
  "type": "component",
  "description": "LGE Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "bc547c",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bc547c.kicad_sym",
    "bc547c.kicad_mod",
    "bc547c.glb",
    "bc547c.step",
    "bc547c.lbr",
    "docs/hero.png",
    "docs/bc547c-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bc547c-hero.glb",
    "bc547c-hero.overlay.json"
  ],
  "component": {
    "mpn": "BC547C",
    "manufacturer": "LGE",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588892868132425728",
    "parts": {
      "symbol": "bc547c.kicad_sym",
      "footprint": "bc547c.kicad_mod",
      "model_3d": "bc547c-hero.glb",
      "model_3d_plain": "bc547c.glb",
      "model_3d_step": "bc547c-etched.step",
      "model_3d_step_plain": "bc547c.step",
      "lbr": "bc547c.lbr"
    },
    "distributor_links": {
      "lcsc": "C713614",
      "digikey": "4878-BC547CCT-ND",
      "mouser": "637-BC547C"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T08:30:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4878-BC547CCT-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "637-BC547C",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal of the NPN transistor; the datasheet rates the emitter-base voltage VEBO at 6 V and continuous collector current IC at 100 mA."
      },
      {
        "number": "2",
        "name": "BASE",
        "type": "input",
        "description": "Base terminal of the NPN transistor; VBE(sat) is 1.1 V max at IC=100 mA, IB=5 mA, and the base drives the device with the emitter-base rating VEBO of 6 V."
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal of the NPN transistor; for the BC547 the collector-emitter voltage VCEO is 45 V, with total device dissipation PD of 625 mW."
      }
    ],
    "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 gives the TO-92 pin order only as a text list (1. EMITTER, 2. BASE, 3. COLLECTOR). The; The datasheet covers the BC546/BC547/BC548 family in one document. Ratings listed are family-wide or; Pin types use KiCad classes: the emitter and collector are marked passive and the base input, since "
        ],
        "pages_sent": 3,
        "cost_usd": 0.0055,
        "at": "2026-10-09T08:28:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588892868132425728",
        "pages": 3,
        "sha256": "c18c8695b6bed902",
        "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": "bc547c.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bc547c-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "54009de9ac4e2cfa31f1fa9af662a9843e1dcdba76976c3f4b0ac6c92bad652e",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}