main
Ray Set visibility: public 5e2d9f8 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lbc857alt1g",
  "title": "LBC857ALT1G",
  "brief": "LRC Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "mpn": "LBC857ALT1G",
    "manufacturer": "LRC",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588948059929915392",
    "parts": {
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      "lbr": "lbc857alt1g.lbr"
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    "distributor_links": {
      "lcsc": "C2912015"
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      "checked_at": "2026-10-18T02:44:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
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        "name": "BASE",
        "type": "passive",
        "description": "Base terminal of the PNP transistor; the emitter-base voltage is limited to -5.0 V (VEBO) for the LBC857 series."
      },
      {
        "number": "2",
        "name": "EMITTER",
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      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "passive",
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        "at": "2026-10-18T02:41:28"
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        "sha256": "667156ee2a75173c",
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        "described": 3,
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        "checked": "2026-10-18",
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  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
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        {
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          "symbol": "ICBO",
          "kind": "electrical",
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        {
          "name": "DC Current Gain (A grade)",
          "symbol": "hFE",
          "kind": "electrical",
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        {
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        {
          "name": "Base-Emitter On Voltage",
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          "source_page": 3,
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        },
        {
          "name": "Current-Gain - Bandwidth Product",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "IC = -10 mA, VCE = -5.0 Vdc, f = 100 MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 4.5,
          "conditions": "VCB = -10 V, f = 1.0 MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Noise Figure (LBC856, LBC857, LBC858 Series)",
          "symbol": "NF",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "IC = -0.2 mA, VCE = -5.0 Vdc, RS = 2.0 kΩ, f = 1.0 kHz, BW = 200 Hz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage (LBC857)",
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        {
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        {
          "name": "Collector Current - Continuous",
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        {
          "name": "Total Device Dissipation, Alumina Substrate",
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          "unit": "mW",
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          "conditions": "Alumina substrate (0.4 x 0.3 x 0.024 in, 99.5% alumina), TA = 25°C",
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        {
          "name": "Thermal Resistance, Junction to Ambient, Alumina Substrate",
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        {
          "name": "Junction and Storage Temperature",
          "symbol": "TJ, Tstg",
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          "unit": "°C",
          "min": -55,
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      ]
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "LBC857ALT1G (LRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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