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Ray Set visibility: public 0ed1734 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bcv27t",
  "title": "BCV27T",
  "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",
    "bcv27t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BCV27T",
    "manufacturer": "CBI",
    "package": "SOT-523",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921052887601152",
    "parts": {
      "symbol": "bcv27t.kicad_sym",
      "footprint": "bcv27t.kicad_mod",
      "model_3d": "bcv27t-hero.glb",
      "model_3d_plain": "bcv27t-etched.glb",
      "model_3d_step": "bcv27t-etched.step",
      "model_3d_step_plain": "bcv27t.step",
      "lbr": "bcv27t.lbr"
    },
    "distributor_links": {
      "lcsc": "C54934177"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T21:10:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "Base of the NPN Darlington transistor; emitter-base voltage is limited to 10 V (VEBO) and emitter-base breakdown is 10 V min at IE=10µA."
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter of the NPN Darlington transistor; collector current is rated to 500 mA maximum."
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector of the NPN Darlington transistor; rated 40 V collector-base (VCBO), 30 V collector-emitter (VCEO), 500 mA continuous and 300 mW dissipation."
      }
    ],
    "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: Page 3 text says 'Plastic surface mounted package; 3 leads SOT-23', but the page 3 drawing is titled; Pin numbering 1=Base, 2=Emitter, 3=Collector is taken from the page 1 package picture. Its pin-1/pin",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.1912,
        "at": "2026-10-17T21:07:08"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921052887601152",
        "pages": 3,
        "sha256": "951524dc38cb40cd",
        "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": "bcv27t.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": "71d9e39df3d2fdd03ecf2e2d9dbaee5c749df4d95c77fac6de23e0621dcc8231",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bcv27t-etched.step",
        "role": "eda",
        "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": "732aedf20ccdc72784254b0b13aa2ed3df355dd0fedbd022ad97ac4246bcd5f3",
        "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": "951524dc38cb40cdbc95eac5b568dd42f904d37033f02375cdc09e05b670a6ce",
      "rows": [
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Power Dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operation Junction and Storage Temperature Range",
          "symbol": "TJ,Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "IC=100µA, IE=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "IC=10mA, IB=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "IE=10µA, IC=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VCB=30V, IE=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VEB=10V, IC=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC current gain hFE(1)",
          "symbol": "hFE(1)",
          "kind": "electrical",
          "unit": "",
          "min": 4000,
          "typ": null,
          "max": null,
          "conditions": "VCE=1V, IC=1mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC current gain hFE(2)",
          "symbol": "hFE(2)",
          "kind": "electrical",
          "unit": "",
          "min": 10000,
          "typ": null,
          "max": null,
          "conditions": "VCE=5V, IC=10mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC current gain hFE(3)",
          "symbol": "hFE(3)",
          "kind": "electrical",
          "unit": "",
          "min": 20000,
          "typ": null,
          "max": null,
          "conditions": "VCE=5V, IC=100mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "IC=100mA, IB=0.1mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter saturation voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "IC=100mA, IB=0.1mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector output capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "VCB=10V, IE=0, f=1MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 170,
          "max": null,
          "conditions": "VCE=5V,IC=50mA, f=100MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance From Junction To Ambient",
          "symbol": "RΘJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 416,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bcv27t"
  ],
  "discovery_pitch": "BCV27T (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",
    "bcv27t.kicad_sym",
    "bcv27t.kicad_mod",
    "bcv27t.glb",
    "bcv27t.step",
    "bcv27t.lbr",
    "docs/hero.png",
    "docs/bcv27t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bcv27t-hero.glb",
    "bcv27t-hero.overlay.json",
    "bcv27t-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}