BCV27T

{
  "slug": "bcv27t",
  "version": "0.1.0",
  "type": "component",
  "description": "CBI Bipolar (BJT), SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "bcv27t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "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"
  ],
  "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": 0.0,
        "centre_offset_mm": 0.0,
        "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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "732aedf20ccdc72784254b0b13aa2ed3df355dd0fedbd022ad97ac4246bcd5f3",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}