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Ray Set visibility: public 8edd2b2 5h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bc856bwq",
  "title": "BC856BWQ",
  "brief": "Yangzhou Yangjie Elec Tech Bipolar (BJT), SOT-323. 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",
    "bc856bwq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BC856BWQ",
    "manufacturer": "Yangzhou Yangjie Elec Tech",
    "package": "SOT-323",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590236533044244480",
    "parts": {
      "symbol": "bc856bwq.kicad_sym",
      "footprint": "bc856bwq.kicad_mod",
      "model_3d": "bc856bwq-hero.glb",
      "model_3d_plain": "bc856bwq-etched.glb",
      "model_3d_step": "bc856bwq-etched.step",
      "model_3d_step_plain": "bc856bwq.step",
      "lbr": "bc856bwq.lbr"
    },
    "distributor_links": {
      "lcsc": "C2942491"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:37:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base of the PNP transistor; the Emitter-Base voltage VEBO is limited to -5 V."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the PNP transistor; VEBO is limited to -5 V."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector of the PNP transistor; VCEO is -65 V and continuous IC is -100 mA for the BC856 family."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pin diagram labels only B, E and C and prints no pin numbers. The numbering B=1, E=2, ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.2374,
        "at": "2026-10-17T14:35:51"
      },
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        "pages": 5,
        "sha256": "28634274670ee4ad",
        "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": [
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        "file": "bc856bwq.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bc856bwq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ee88d8a115c7c3be544770177f19e4f4abab9d3404371b4e1dfa58e67bb4bef0",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Yangzhou Yangjie Elec Tech",
      "Package": "SOT-323",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "28634274670ee4ad5894d492b7685654a1b380c6931b9ab1540afaffa89b7ffa"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "28634274670ee4ad5894d492b7685654a1b380c6931b9ab1540afaffa89b7ffa",
      "rows": [
        {
          "name": "Collector-base breakdown voltage (BC856)",
          "symbol": "VCBO",
          "kind": "electrical",
          "unit": "V",
          "min": -80,
          "typ": null,
          "max": null,
          "conditions": "IC= -10uA, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage (BC856)",
          "symbol": "VCEO",
          "kind": "electrical",
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          "min": -65,
          "typ": null,
          "max": null,
          "conditions": "IC= -10mA, IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "VEBO",
          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "IE= -1uA, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-base cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": -0.1,
          "conditions": "VCB=-30V, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": -0.1,
          "conditions": "VEB=-5 V, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain (BC856BWQ group)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 220,
          "typ": null,
          "max": 475,
          "conditions": "VCE= -5V, IC= -2mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.65,
          "conditions": "IC=-100mA, IB= -5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter saturation voltage",
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          "max": -1.1,
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          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "VCE=-5V, IC=-10mA, f=100MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-base voltage (BC856)",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -80,
          "typ": null,
          "max": null,
          "conditions": "Maximum Ratings, Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter voltage (BC856)",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -65,
          "typ": null,
          "max": null,
          "conditions": "Maximum Ratings, Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "Maximum Ratings, Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector current, continuous",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "Maximum Ratings, Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total device dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Maximum Ratings, Ta=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bc856bwq"
  ],
  "discovery_pitch": "BC856BWQ (Yangzhou Yangjie Elec Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "bc856bwq.lbr",
    "docs/hero.png",
    "docs/bc856bwq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bc856bwq-hero.glb",
    "bc856bwq-hero.overlay.json",
    "bc856bwq-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}