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Ray Set visibility: public de2ad8a 1d ago
{
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  "type": "component",
  "slug": "ktc3198-ta",
  "title": "KTC3198-TA",
  "brief": "Changjing Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "TO-92",
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    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
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      "lbr": "ktc3198-ta.lbr"
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      "lcsc": "C2910388"
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    "distributor_check": {
      "checked_at": "2026-10-18T13:30:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
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      "mouser": {
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      },
      {
        "number": "2",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "NPN collector terminal; rated for 50 V collector-emitter voltage, 60 V collector-base voltage, 0.15 A continuous collector current, and 625 mW collector power dissipation."
      },
      {
        "number": "3",
        "name": "BASE",
        "type": "passive",
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      }
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "at": "2026-10-18T13:28:33"
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        "pages": 5,
        "sha256": "1ee2521aa48af614",
        "source_tier": "lcsc"
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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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        "seat": "body on z = 0, through-hole leads below",
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        "zmin_mm": -2.5,
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        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-18",
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  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "TO-92",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
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    "characteristics": {
      "version": 1,
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      "datasheet_sha256": "1ee2521aa48af614539348208bf462ffb58b1ce1a0c5032237e3c1177843edbd",
      "rows": [
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          "name": "Collector-base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "IC= 0.1mA, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
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          "min": 50,
          "typ": null,
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          "conditions": "IC=5mA, IB=0",
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          "conditions": "IE=0.1mA, IC=0",
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          "source": "datasheet"
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        {
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          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "A",
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          "typ": null,
          "max": 0.1,
          "conditions": "VCB=60V, IE=0",
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          "source": "datasheet"
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          "name": "Emitter cut-off current",
          "symbol": "IEBO",
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          "min": null,
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          "max": 0.1,
          "conditions": "VEB=5V, IC=0",
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        {
          "name": "DC current gain hFE(1)",
          "symbol": "hFE(1)",
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          "unit": "",
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          "conditions": "VCE=6V, IC=2mA",
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        {
          "name": "DC current gain hFE(2)",
          "symbol": "hFE(2)",
          "kind": "electrical",
          "unit": "",
          "min": 25,
          "typ": null,
          "max": null,
          "conditions": "VCE=6V, IC=150mA",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Collector-emitter saturation voltage",
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          "kind": "electrical",
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          "max": 0.25,
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          "name": "Base-emitter saturation voltage",
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          "max": 1,
          "conditions": "IC=100mA, IB=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "VCE=10V, IC=1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector output capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "VCB=10V, IE=0, f=1MHz",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Collector-base voltage",
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          "name": "Collector current, continuous",
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          "max": 0.15,
          "conditions": "",
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        {
          "name": "Collector power dissipation",
          "symbol": "",
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          "unit": "mW",
          "min": null,
          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "Operation junction and storage temperature range",
          "symbol": "TJ, Tstg",
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          "unit": "",
          "min": -55,
          "typ": null,
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        {
          "name": "Thermal resistance from junction to ambient",
          "symbol": "",
          "kind": "thermal",
          "unit": "/W",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "KTC3198-TA (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}