main
Ray Set visibility: public bbed040 18d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bc847bt",
  "title": "BC847BT",
  "brief": "CBI Bipolar (BJT), SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "bc847bt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BC847BT",
    "manufacturer": "CBI",
    "package": "SOT-523",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921054485225472",
    "parts": {
      "symbol": "bc847bt.kicad_sym",
      "footprint": "bc847bt.kicad_mod",
      "model_3d": "bc847bt-hero.glb",
      "model_3d_plain": "bc847bt-etched.glb",
      "model_3d_step": "bc847bt-etched.step",
      "model_3d_step_plain": "bc847bt.step",
      "lbr": "bc847bt.lbr"
    },
    "distributor_links": {
      "lcsc": "C51883370"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:04:23Z",
      "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 NPN transistor; VEBO max is 6 V for BC847T and VBE(on) is 580 mV min to 700 mV max at VCE = 5 V, IC = 2 mA."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the NPN transistor, the common return for collector current, with collector current IC rated at 100 mA continuous and 200 mA peak."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector of the NPN transistor; VCEO max is 45 V and VCBO max is 50 V for BC847T, with IC of 100 mA continuous."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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: Pin assignment is read from the 3D package picture on page 1 (1.Base 2.Emitter 3.Collector). The pag",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.2128,
        "at": "2026-10-17T18:00:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921054485225472",
        "pages": 3,
        "sha256": "e26abb2aab1c7567",
        "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": "bc847bt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.5,
          1.6,
          0.8
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b60bc4f5f642e80a41bc66d471f83e976a59b69a5fb67160797972278402b292",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bc847bt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.6,
          0.8
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dad2ddc080e13508e6e480eee306ec10959b369b17fba28b8fc45fcbc2384a40",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CBI",
      "Package": "SOT-523",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e26abb2aab1c756744a2c9416a83548d319b624ef10942d306eb9dfc8234a25d",
      "rows": [
        {
          "name": "DC current gain, group B",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 200,
          "typ": null,
          "max": 450,
          "conditions": "at VCE = 5 V, IC = 2 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector base cutoff current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "at VCB = 30 V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "at IC = 10 mA, IB = 0.5 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "at IC = 100 mA, IB = 5 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Base emitter on voltage",
          "symbol": "VBE(on)",
          "kind": "electrical",
          "unit": "mV",
          "min": 580,
          "typ": null,
          "max": 700,
          "conditions": "at VCE = 5 V, IC = 2 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Base emitter on voltage",
          "symbol": "VBE(on)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 720,
          "conditions": "at VCE = 5 V, IC = 10 mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "at VCB = 10 V, f = 1 MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector base voltage (BC847T)",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector emitter voltage (BC847T)",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter base voltage (BC847T)",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak collector current",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bc847bt"
  ],
  "discovery_pitch": "BC847BT (CBI) 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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    "README.md",
    "bc847bt.kicad_sym",
    "bc847bt.kicad_mod",
    "bc847bt.glb",
    "bc847bt.step",
    "bc847bt.lbr",
    "docs/hero.png",
    "docs/bc847bt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bc847bt-hero.glb",
    "bc847bt-hero.overlay.json",
    "bc847bt-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}