8550-D

{
  "slug": "8550-d",
  "version": "0.1.0",
  "type": "component",
  "description": "Foshan Blue Rocket Elec Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "8550-d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "8550-d.kicad_sym",
    "8550-d.kicad_mod",
    "8550-d.glb",
    "8550-d.step",
    "8550-d.lbr",
    "docs/hero.png",
    "docs/8550-d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "8550-d-hero.glb",
    "8550-d-hero.overlay.json",
    "8550-d-etched.glb"
  ],
  "component": {
    "mpn": "8550-D",
    "manufacturer": "Foshan Blue Rocket Elec",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588890678490746880",
    "parts": {
      "symbol": "8550-d.kicad_sym",
      "footprint": "8550-d.kicad_mod",
      "model_3d": "8550-d-hero.glb",
      "model_3d_plain": "8550-d-etched.glb",
      "model_3d_step": "8550-d-etched.step",
      "model_3d_step_plain": "8550-d.step",
      "lbr": "8550-d.lbr"
    },
    "distributor_links": {
      "lcsc": "C305406"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:09:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Collector",
        "type": "passive",
        "description": "Collector terminal of the PNP transistor; the datasheet gives absolute maximum ratings of VCBO -40 V, VCEO -25 V, continuous IC -1.5 A (ICM -3 A for t≤1 ms) and PC 1.0 W."
      },
      {
        "number": "2",
        "name": "Base",
        "type": "passive",
        "description": "Base terminal of the PNP transistor; the datasheet gives a maximum continuous base current IB of -0.5 A and VEBO of -6.0 V."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter terminal of the PNP transistor; the emitter-to-base rating is VEBO -6.0 V."
      }
    ],
    "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: Pin assignment is taken from the text 'PIN1: Collector, PIN2: Base, PIN3: Emitter' on page 1; the pi"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0253,
        "at": "2026-10-18T10:07:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588890678490746880",
        "pages": 6,
        "sha256": "faa9f3e79f600704",
        "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": "8550-d.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "8550-d-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": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "70f3768a74c3db6eea52c314a0ab222fcce74f6c6781a0cfdb52a8bab121884b",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}