BC547CBK

{
  "slug": "bc547cbk",
  "version": "0.1.0",
  "type": "component",
  "description": "DIOTEC Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "bc547cbk",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bc547cbk.kicad_sym",
    "bc547cbk.kicad_mod",
    "bc547cbk.glb",
    "bc547cbk.step",
    "bc547cbk.lbr",
    "docs/hero.png",
    "docs/bc547cbk-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bc547cbk-hero.glb",
    "bc547cbk-hero.overlay.json",
    "bc547cbk-etched.glb"
  ],
  "component": {
    "mpn": "BC547CBK",
    "manufacturer": "DIOTEC",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590454666191265792",
    "parts": {
      "symbol": "bc547cbk.kicad_sym",
      "footprint": "bc547cbk.kicad_mod",
      "model_3d": "bc547cbk-hero.glb",
      "model_3d_plain": "bc547cbk-etched.glb",
      "model_3d_step": "bc547cbk-etched.step",
      "model_3d_step_plain": "bc547cbk.step",
      "lbr": "bc547cbk.lbr"
    },
    "distributor_links": {
      "lcsc": "C3201550"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T12:56:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C",
        "type": "passive",
        "description": "Collector of the NPN transistor; for the BC547 group, VCEO is 45 V, VCBO 50 V, dc collector current 100 mA with 200 mA peak, and Ptot 500 mW (valid with leads at ambient temperature 2 mm from the case)."
      },
      {
        "number": "2",
        "name": "B",
        "type": "passive",
        "description": "Base of the NPN transistor; peak base current is limited to 200 mA and the emitter-base voltage VEB0 is 5 V."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the NPN transistor; peak emitter current is limited to 200 mA and the emitter-base voltage VEB0 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's TO-92 drawing labels the leads only as 'C B E' (left to right, 2 x 1.27 mm pitch) an; The datasheet covers the BC546xBK to BC549xBK family in special bulk packaging. Pinout is shown for "
        ],
        "pages_sent": 3,
        "cost_usd": 0.0419,
        "at": "2026-10-18T12:54:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590454666191265792",
        "pages": 3,
        "sha256": "889a83aa8ac5ef11",
        "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": "bc547cbk.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bc547cbk-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": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "eddc7af1f5d66f04ea63cae818f70aa90d3082c58af0120376812131d2f2dba3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}