main
Ray Set visibility: public 09bfc2f 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bc846cw",
  "title": "BC846CW",
  "brief": "CBI 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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    "extractor-text"
  ],
  "component": {
    "mpn": "BC846CW",
    "manufacturer": "CBI",
    "package": "SOT-323",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
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      "footprint": "bc846cw.kicad_mod",
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      "model_3d_plain": "bc846cw-etched.glb",
      "model_3d_step": "bc846cw-etched.step",
      "model_3d_step_plain": "bc846cw.step",
      "lbr": "bc846cw.lbr"
    },
    "distributor_links": {
      "lcsc": "C21714265",
      "digikey": "4878-BC846CWTR-ND",
      "mouser": "637-BC846CW"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:50:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4878-BC846CWTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "637-BC846CW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base; NPN transistor control terminal, with VEBO of 6 V max for BC846W and IC of 100 mA max."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter; the datasheet gives an emitter-base voltage rating of 6 V for BC846W and a total power dissipation of 200 mW."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector; VCEO is 65 V max and IC is 100 mA (200 mA peak) for BC846W."
      }
    ],
    "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": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.1866,
        "at": "2026-10-18T06:47:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921207191445504",
        "pages": 5,
        "sha256": "763a26a9262e5d53",
        "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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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bc846cw-etched.step",
        "role": "eda",
        "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,
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        "sha256": "ae62b7e84cba7bc79982814abc54a8dd48ccbff5db49e3e1467d6d974f1a27b2",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CBI",
      "Package": "SOT-323",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "763a26a9262e5d531a8ecf39511aed2b555f46e476e8735b3650b35b70a264a6",
      "rows": [
        {
          "name": "DC Current Gain hFE (group C, BC846CW~BC850CW)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "-",
          "min": 420,
          "typ": null,
          "max": 800,
          "conditions": "VCE = 5 V, IC = 2 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Base Voltage (BC846W)",
          "symbol": "VCBO",
          "kind": "electrical",
          "unit": "V",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Emitter Voltage (BC846W)",
          "symbol": "VCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 65,
          "typ": null,
          "max": null,
          "conditions": "IC = 10 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Base Voltage (BC846W)",
          "symbol": "VEBO",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "IE = 1 µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Base Cutoff Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "VCB = 30 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Base Cutoff Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VEB = 5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.25,
          "conditions": "IC = 10 mA, IB = 0.5 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "IC = 100 mA, IB = 5 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base Emitter Voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": 0.58,
          "typ": null,
          "max": 0.7,
          "conditions": "VCE = 5 V, IC = 2 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base Emitter Voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.77,
          "conditions": "VCE = 5 V, IC = 10 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition Frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "VCE = 5 V, IC = 10 mA, f = 100 MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Output Capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 4.5,
          "conditions": "VCB = 10 V, IE = 0, f = 1 MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Base Voltage (BC846W)",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "Ta = 25 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Emitter Voltage (BC846W)",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 65,
          "conditions": "Ta = 25 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter Base Voltage (BC846W)",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Ta = 25 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Ta = 25 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Collector Current",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Ta = 25 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Ta = 25 °C",
          "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": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bc846cw"
  ],
  "discovery_pitch": "BC846CW (CBI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "bc846cw-hero.overlay.json",
    "bc846cw-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}