main
Ray Publish 0.1.1 70af85a 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bu406-220c",
  "title": "BU406-220C",
  "brief": "Jilin Sino-Microelectronics Bipolar Transistors - BJT, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors",
    "bu406-220c",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BU406-220C",
    "manufacturer": "Jilin Sino-Microelectronics",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Transistors",
    "subcategory": "Bipolar Transistors - BJT",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dea559a6d8be88a5126fcb0776f54caf.pdf",
    "parts": {
      "symbol": "bu406-220c.kicad_sym",
      "footprint": "bu406-220c.kicad_mod",
      "model_3d": "bu406-220c-hero.glb",
      "model_3d_plain": "bu406-220c-etched.glb",
      "model_3d_step": "bu406-220c-etched.step",
      "model_3d_step_plain": "bu406-220c.step",
      "lbr": "bu406-220c.lbr"
    },
    "distributor_links": {
      "lcsc": "C272492"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T15:42:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base terminal of the NPN transistor; absolute maximum DC base current is 4 A (8 A pulse) and emitter-base voltage VEBO is 9 V."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector terminal; VCEO is 200 V, VCES is 400 V and maximum DC collector current is 7 A (10 A pulse)."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter terminal of the NPN transistor; emitter-base breakdown voltage V(BR)EBO is 9 V minimum."
      }
    ],
    "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: Pin assignment comes from the schematic symbol on page 1 (B=1, C=2, E=3). The TO-220C mechanical dra; The page 1 image also shows a 'TO-247' label that does not match the TO-3PB name used in the order t",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.1527,
        "at": "2026-11-05T15:42:21"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/dea559a6d8be88a5126fcb0776f54caf.pdf",
        "pages": 6,
        "sha256": "be1a9d8050f32ee2",
        "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": "bu406-220c.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": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bu406-220c-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": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "d6aa8d8b3d0dd5d21c7ec893ab3643112db02d961ba6f27bf93c73a91898aa48",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Jilin Sino-Microelectronics",
      "Package": "TO-220",
      "Category": "Transistors",
      "Pins": "3"
    },
    "appearance": {
      "housing": {
        "quote": "最大基极脉冲电流 Base Current(pulse) IBP 8 A 最大集电极耗散功率 Total Dissipation (TO-220C) PC 60 W",
        "page": 2,
        "doc": "ds.pdf",
        "material": "PC"
      },
      "version": 1,
      "datasheet_sha256": "be1a9d8050f32ee28a1888ade45d02c4e372438263049783ab7ccb773e29517c"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "be1a9d8050f32ee28a1888ade45d02c4e372438263049783ab7ccb773e29517c",
      "rows": [
        {
          "name": "Collector-Emitter Voltage (VBE=0)",
          "symbol": "VCES",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage (IB=0)",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 9,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Current (DC)",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Current (pulse)",
          "symbol": "ICP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base Current (DC)",
          "symbol": "IB",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base Current (pulse)",
          "symbol": "IBP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Dissipation (TO-220C)",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction Case TO-220C",
          "symbol": "Rth(j-c)",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 2.08,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": 200,
          "typ": null,
          "max": null,
          "conditions": "IC=10mA,IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Breakdown Voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 400,
          "typ": null,
          "max": null,
          "conditions": "IC=1mA,IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": 9,
          "typ": null,
          "max": null,
          "conditions": "IE=1mA,IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cut-off Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCB=400V, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Cut-off Current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VCE=200V,IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter Cut-off Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VEB=9V, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "Hfe(1)",
          "kind": "electrical",
          "unit": "",
          "min": 60,
          "typ": null,
          "max": 85,
          "conditions": "VCE =5V, IC=2A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Current Gain",
          "symbol": "Hfe(2)",
          "kind": "electrical",
          "unit": "",
          "min": 15,
          "typ": null,
          "max": null,
          "conditions": "VCE =5V, IC=7A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "IC=5A, IB=500mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Saturation Voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "IC=5A, IB=500mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition Frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "VCE=10V, IC=0.5A",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bu406-220c"
  ],
  "discovery_pitch": "BU406-220C (Jilin Sino-Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bu406-220c.kicad_sym",
    "bu406-220c.kicad_mod",
    "bu406-220c.glb",
    "bu406-220c.step",
    "bu406-220c.lbr",
    "docs/hero.png",
    "docs/bu406-220c-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bu406-220c-hero.glb",
    "bu406-220c-hero.overlay.json",
    "bu406-220c-etched.glb",
    "bu406-220c-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "description": "Jilin Sino-Microelectronics Bipolar Transistors - BJT, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "org": "adom"
}