main
Ray Set visibility: public 2751825 9h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "2sd2012",
  "title": "2SD2012",
  "brief": "Changjing Bipolar Transistors - BJT, TO-220F. 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",
    "triode-mos tube-transistor",
    "2sd2012",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "2SD2012",
    "manufacturer": "Changjing",
    "package": "TO-220F",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "Bipolar Transistors - BJT",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/94569694a350890145729cf1f7b3bab6.pdf",
    "parts": {
      "symbol": "2sd2012.kicad_sym",
      "footprint": "2sd2012.kicad_mod",
      "model_3d": "2sd2012-hero.glb",
      "model_3d_step": "2sd2012.step",
      "lbr": "2sd2012.lbr",
      "model_3d_plain": "2sd2012.glb"
    },
    "distributor_links": {
      "lcsc": "C2992038",
      "digikey": "497-5900-5-ND",
      "mouser": "511-2SD2012"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:20:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-5900-5-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-2SD2012",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "Base terminal of the NPN transistor; the datasheet rates emitter-base voltage VEBO at 7 V and emitter-base breakdown at 7 V minimum."
      },
      {
        "number": "2",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal; the datasheet rates collector current at 3 A continuous and collector power dissipation at 2 W, with VCBO and VCEO of 60 V."
      },
      {
        "number": "3",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal, referenced by the datasheet's VCEO rating of 60 V and VEBO rating of 7 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": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 4,
        "cost_usd": 0.0003,
        "at": "2026-10-27T00:19:51"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/94569694a350890145729cf1f7b3bab6.pdf",
        "pages": 4,
        "sha256": "52987a88934237b5",
        "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": "2sd2012.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.16,
          4.7,
          28.85
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.935,
        "footprint_binding": "identity",
        "sha256": "7f1d530d2b80afd7cfb6522420bdcf9d79666f9bf84bbc5b905bfc33593c7ef0",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "TO-220F",
      "Category": "Triode/MOS Tube/Transistor",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "52987a88934237b5c6ab834aa90920f2b254d66384189a18401a1acf17c0ff61",
      "rows": [
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "IC=100μA, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "IC=50mA, IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": 7,
          "typ": null,
          "max": null,
          "conditions": "IE=100μA, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCB=60V, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VEB=7V, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE1",
          "kind": "electrical",
          "unit": "",
          "min": 100,
          "typ": null,
          "max": 320,
          "conditions": "VCE=5V, IC=0.5A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE2",
          "kind": "electrical",
          "unit": "",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "VCE=5V, IC=2A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "IC=2A, IB=0.2A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VCE=5V, IC=0.5A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "VCE=5V, IC=0.5A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "CB=10V, IE=0, f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector Current -Continuous",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector power dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2,
          "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"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "2sd2012"
  ],
  "discovery_pitch": "2SD2012 (Changjing) 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",
    "2sd2012.kicad_sym",
    "2sd2012.kicad_mod",
    "2sd2012.glb",
    "2sd2012.step",
    "2sd2012.lbr",
    "docs/hero.png",
    "docs/2sd2012-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "2sd2012-hero.glb",
    "2sd2012-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}