main
Ray Set visibility: public f035606 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bc327-40bk",
  "title": "BC327-40BK",
  "brief": "DIOTEC Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "transistors-thyristors",
    "bc327-40bk",
    "factory-2.0.0",
    "extractor-text"
  ],
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    "manufacturer": "DIOTEC",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590455758828834816",
    "parts": {
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      "footprint": "bc327-40bk.kicad_mod",
      "model_3d": "bc327-40bk-hero.glb",
      "model_3d_plain": "bc327-40bk-etched.glb",
      "model_3d_step": "bc327-40bk-etched.step",
      "model_3d_step_plain": "bc327-40bk.step",
      "lbr": "bc327-40bk.lbr"
    },
    "distributor_links": {
      "lcsc": "C3201615"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:38:10Z",
      "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 PNP transistor, rated VCEO 45 V for BC327 and 25 V for BC328, with DC collector current IC up to 800 mA and peak ICM 1 A."
      },
      {
        "number": "2",
        "name": "B",
        "type": "input",
        "description": "Base of the PNP transistor, with base current IB limited to 100 mA."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the PNP transistor, rated VEBO 5 V maximum with collector open."
      }
    ],
    "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 drawing labels the leads 'C B E' left to right and prints only a single '1' marker, wi; The datasheet gives no explicit pin-by-pin descriptions. The descriptions are built from the maximum"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0384,
        "at": "2026-10-17T18:36:07"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590455758828834816",
        "pages": 3,
        "sha256": "2db7febdb72ac094",
        "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": "bc327-40bk.step",
        "role": "plain",
        "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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          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bc327-40bk-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": "138b38442bcb72f889649313a2e6a98435e0aa7ddc1c2efd2caee46a7199b9c4",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "DIOTEC",
      "Package": "TO-92",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "affect human life or health, user shall contact in advance Diotec Semiconductor AG's Managing Board (Heitersheim, Germany) to",
        "page": 3,
        "doc": "ds.pdf",
        "plating": "silver"
      },
      "version": 1,
      "datasheet_sha256": "2db7febdb72ac09416dca83820fb0897c21baadd574a6442f3ce36688b7c237e"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2db7febdb72ac09416dca83820fb0897c21baadd574a6442f3ce36688b7c237e",
      "rows": [
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          "name": "DC current gain, Group -40",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 250,
          "typ": 400,
          "max": 630,
          "conditions": "VCE = 1 V, IC = 100 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC current gain, Group -40",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 170,
          "typ": 320,
          "max": null,
          "conditions": "VCE = 1 V, IC = 300 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter saturation voltage",
          "symbol": "VCEsat",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "IC = 500 mA, IB = 50 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "VCE = 1 V, IC = 300 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter cutoff current (BC327)",
          "symbol": "ICES",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 2,
          "max": 100,
          "conditions": "VCE = 45 V, (B-E short)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter cutoff current (BC327) at Tj = 125°C",
          "symbol": "ICES",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCE = 45 V, Tj = 125°C, (B-E short)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient air",
          "symbol": "RthA",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Valid if leads kept at ambient temperature at 2 mm from case",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter voltage (BC327)",
          "symbol": "VCES",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "E-B short",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter voltage (BC327)",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "B open",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "C open",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "Valid if leads kept at ambient temperature at a distance of 2 mm from case",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector current (dc)",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak collector current",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Base current",
          "symbol": "IB",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bc327-40bk"
  ],
  "discovery_pitch": "BC327-40BK (DIOTEC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
  },
  "files": [
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    "bc327-40bk.kicad_mod",
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    "bc327-40bk.step",
    "bc327-40bk.lbr",
    "docs/hero.png",
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    "viewers/symbol.html",
    "viewers/footprint.html",
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    "bc327-40bk-hero.overlay.json",
    "bc327-40bk-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}