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Ray Set visibility: public 814fa17 10d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bcx53-10",
  "title": "BCX53-10",
  "brief": "Changjiang Electronics Tech (CJ) Bipolar Transistors - BJT, SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOT-89-3L",
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    "category": "Transistors",
    "subcategory": "Bipolar Transistors - BJT",
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      "lbr": "bcx53-10.lbr"
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    "distributor_links": {
      "lcsc": "C24249",
      "mouser": "637-BCX53-10"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:06:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": "637-BCX53-10",
        "status": "found"
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        "number": "1",
        "name": "BASE",
        "type": "input",
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      },
      {
        "number": "2",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal; the maximum ratings give collector current -1 A and collector power dissipation 500 mW."
      },
      {
        "number": "3",
        "name": "EMITTER",
        "type": "passive",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The output schema has no field for headline electrical specs, so the supply/current/temperature rati"
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        "cost_usd": 0.0054,
        "at": "2026-10-27T00:06:28"
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        "pages": 5,
        "sha256": "7a4729270f3eed6b",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-27",
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  "metadata": {
    "specs": {
      "Manufacturer": "Changjiang Electronics Tech (CJ)",
      "Package": "SOT-89-3L",
      "Category": "Transistors",
      "Pins": "3"
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    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "7a4729270f3eed6b8af7a6dea44eccfcb893bfeca33db7c521f472a64d01b4eb",
      "rows": [
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          "name": "Collector-base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": -100,
          "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": -80,
          "typ": null,
          "max": null,
          "conditions": "IC=-10mA,IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": null,
          "conditions": "IE=-100µA,IC=0",
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          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -0.1,
          "conditions": "VCB=-30V,IE=0",
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          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -0.1,
          "conditions": "VEB=-5V,IC=0",
          "source_page": 2,
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        },
        {
          "name": "DC current gain hFE(2) for BCX53-10",
          "symbol": "hFE(2)",
          "kind": "electrical",
          "unit": "",
          "min": 63,
          "typ": null,
          "max": 160,
          "conditions": "VCE=-2V, IC=-150mA",
          "source_page": 2,
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        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -0.5,
          "conditions": "IC=-0.5A,IB=-50mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VCE=-2V, IC=-0.5A",
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        },
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          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "VCE=-5V,IC=-10mA, f=100MHz",
          "source_page": 2,
          "source": "datasheet"
        },
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          "symbol": "VCBO",
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          "unit": "V",
          "min": null,
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          "conditions": "BCX53",
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        },
        {
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          "conditions": "BCX53",
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        },
        {
          "name": "Emitter-base voltage",
          "symbol": "VEBO",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": -5,
          "conditions": "",
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        },
        {
          "name": "Collector current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "",
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        },
        {
          "name": "Collector power dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Thermal resistance from junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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  "discovery_triggers": [
    "bcx53-10"
  ],
  "discovery_pitch": "BCX53-10 (Changjiang Electronics Tech (CJ)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
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}