main
Ray Set visibility: public 681ac31 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bc547-b",
  "title": "BC547-B",
  "brief": "Foshan Blue Rocket Elec Bipolar (BJT), TO-92-3. 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",
    "bc547-b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BC547-B",
    "manufacturer": "Foshan Blue Rocket Elec",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756857369010032640",
    "parts": {
      "symbol": "bc547-b.kicad_sym",
      "footprint": "bc547-b.kicad_mod",
      "model_3d": "bc547-b-hero.glb",
      "model_3d_plain": "bc547-b-etched.glb",
      "model_3d_step": "bc547-b-etched.step",
      "model_3d_step_plain": "bc547-b.step",
      "lbr": "bc547-b.lbr"
    },
    "distributor_links": {
      "lcsc": "C2844035"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:54:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter terminal of the NPN transistor; the datasheet limits continuous emitter current to -100 mA and emitter-to-base voltage VEBO to 6.0 V."
      },
      {
        "number": "2",
        "name": "Base",
        "type": "passive",
        "description": "Base terminal of the NPN transistor; the datasheet gives VBE(sat) of 0.9 V (typ) to 1.1 V (max) at IC=100 mA, IB=5.0 mA."
      },
      {
        "number": "3",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal of the NPN transistor; the datasheet limits VCBO to 50 V, VCEO to 45 V, continuous IC to 100 mA and collector power dissipation PC to 625 mW."
      }
    ],
    "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: Pinout is given only as text ('PIN1: Emitter, PIN 2: Base, PIN 3: Collector') with a TO-92 pin marki; The datasheet lists hFE classification B as 200-450, but does not explicitly state that the MPN suff"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0174,
        "at": "2026-10-17T18:53:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756857369010032640",
        "pages": 6,
        "sha256": "d5bc61441b321cea",
        "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": "bc547-b.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bc547-b-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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          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "63f1be51d6210ee7364279c36184924dd6179004c412ff0c5a4fef51b37c09d4",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Foshan Blue Rocket Elec",
      "Package": "TO-92-3",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d5bc61441b321ceaadb1f1c83c941a4ad60c855db7bc93b4725b726b493d5544",
      "rows": [
        {
          "name": "Collector Cut-Off Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.015,
          "conditions": "VCB=30V IE=0",
          "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=100mA IB=5.0mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Saturation Voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.9,
          "max": 1.1,
          "conditions": "IC=100mA IB=5.0mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Voltage",
          "symbol": "VBE(1)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.58,
          "max": 0.7,
          "conditions": "VCE=5.0V IC=2.0mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Voltage",
          "symbol": "VBE(2)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.75,
          "conditions": "VCE=5.0V IC=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Gain Bandwidth Product",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "VCE=5.0V IC=10mA f=100MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition Frequency (output capacitance)",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 4.5,
          "conditions": "VCB=10V f=1.0MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Noise Figure",
          "symbol": "NF",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 1,
          "max": 10,
          "conditions": "VCE=6.0V IC=0.1mA Rg=10KΩ f=1.0KHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector to Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector to Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter to Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Current - Continuous",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Current - Continuous",
          "symbol": "IE",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Power Dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bc547-b"
  ],
  "discovery_pitch": "BC547-B (Foshan Blue Rocket Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bc547-b.kicad_sym",
    "bc547-b.kicad_mod",
    "bc547-b.glb",
    "bc547-b.step",
    "bc547-b.lbr",
    "docs/hero.png",
    "docs/bc547-b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bc547-b-hero.glb",
    "bc547-b-hero.overlay.json",
    "bc547-b-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}