2SA1012

{
  "slug": "2sa1012",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Bipolar (BJT), TO-220-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "2sa1012",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "2sa1012.kicad_sym",
    "2sa1012.kicad_mod",
    "2sa1012.glb",
    "2sa1012.step",
    "2sa1012.lbr",
    "docs/hero.png",
    "docs/2sa1012-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "2sa1012-hero.glb",
    "2sa1012-hero.overlay.json",
    "2sa1012-etched.glb"
  ],
  "component": {
    "mpn": "2SA1012",
    "manufacturer": "Changjing",
    "package": "TO-220-3L",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/79a564905fccfc4a22f8f827000de0ee.pdf",
    "parts": {
      "symbol": "2sa1012.kicad_sym",
      "footprint": "2sa1012.kicad_mod",
      "model_3d": "2sa1012-hero.glb",
      "model_3d_plain": "2sa1012-etched.glb",
      "model_3d_step": "2sa1012-etched.step",
      "model_3d_step_plain": "2sa1012.step",
      "lbr": "2sa1012.lbr"
    },
    "distributor_links": {
      "lcsc": "C47089365"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T17:57:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "passive",
        "description": "Base terminal of the PNP transistor; the emitter-base voltage is limited to -5 V (VEBO), and the base-emitter saturation voltage is specified at IC=-3A, IB=-150mA."
      },
      {
        "number": "2",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal of the PNP transistor, rated for -60 V collector-base (VCBO), -50 V collector-emitter (VCEO), and -5 A continuous collector current (IC), with 2 W collector power dissipation (PC)."
      },
      {
        "number": "3",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal of the PNP transistor, with the emitter-base voltage limited to -5 V (VEBO)."
      }
    ],
    "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: The pin assignment is taken from the printed text listing (1. BASE, 2. COLLECTOR, 3. EMITTER) on pag; The datasheet gives the TO-220-3L package outline dimensions on page 4 but no pin-spacing or pin-pos"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0178,
        "at": "2026-10-20T17:55:27"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/79a564905fccfc4a22f8f827000de0ee.pdf",
        "pages": 4,
        "sha256": "8061a219830d7054",
        "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": "2sa1012.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "2sa1012-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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          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "4a2203c3f660d94a5156f68c50e260b06708f0e498abb98a50cd191529bdc41c",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}