BC807-40HR

{
  "schema_version": 1,
  "type": "component",
  "slug": "bc807-40hr",
  "title": "BC807-40HR",
  "brief": "Nexperia Bipolar Transistors - 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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    "bc807-40hr",
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  "component": {
    "mpn": "BC807-40HR",
    "manufacturer": "Nexperia",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "Bipolar Transistors - BJT",
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      "footprint": "bc807-40hr.kicad_mod",
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      "model_3d_step_plain": "bc807-40hr.step",
      "lbr": "bc807-40hr.lbr"
    },
    "distributor_links": {
      "lcsc": "C549405"
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base terminal for controlling transistor conduction with peak base current maximum of 200 mA."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter terminal providing the return current path in PNP transistor operation."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector terminal conducting up to 500 mA continuously with maximum collector-emitter voltage of 45 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
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        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 21,
        "cost_usd": 0.1721,
        "at": "2026-09-17T18:34:36"
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        "pages": 21,
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      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "extents_mm": [
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        "centre_offset_mm": 0.0,
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  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "SOT-23",
      "Category": "Triode/MOS Tube/Transistor",
      "Pins": "3"
    },
    "characteristics": {
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        {
          "name": "thermal resistance from junction to solder point",
          "symbol": "R(j-sp)",
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          "unit": "K/W",
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          "max": 110,
          "conditions": "in free air",
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        {
          "name": "collector-base breakdown voltage",
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          "kind": "electrical",
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          "name": "emitter-base breakdown voltage",
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          "kind": "electrical",
          "unit": "V",
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          "conditions": "IE = -100 µA; IC = 0 A",
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        {
          "name": "collector-base cut-off current",
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          "kind": "electrical",
          "unit": "nA",
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          "max": -100,
          "conditions": "VCB = -25 V; IE = 0 A",
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          "name": "collector-base cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "μA",
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          "conditions": "VCB = -25 V; IE = 0 A; Tj = 150 °C",
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          "name": "emitter-base cut-off current",
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          "conditions": "VEB = -5 V; IC = 0 A",
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          "source": "datasheet"
        },
        {
          "name": "DC current gain (BC807-40H)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 250,
          "typ": null,
          "max": 600,
          "conditions": "VCE = -1 V; IC = -100 mA; [1] pulsed; tp ≤ 300 μs; δ ≤ 0.02",
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        {
          "name": "DC current gain",
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          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
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          "conditions": "VCE = -1 V; IC = -500 mA; [1] pulsed; tp ≤ 300 μs; δ ≤ 0.02",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "collector-emitter saturation voltage",
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          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": -700,
          "conditions": "IC = -500 mA; IB = -50 mA; [1] pulsed; tp ≤ 300 μs; δ ≤ 0.02",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "base-emitter saturation voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": -1.2,
          "conditions": "IC = -500 mA; IB = -50 mA; [1] pulsed; tp ≤ 300 μs; δ ≤ 0.02",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "base-emitter voltage",
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          "min": null,
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          "conditions": "VCE = -1 V; IC = -500 mA; [1] pulsed; tp ≤ 300 μs; δ ≤ 0.02",
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        },
        {
          "name": "transition frequency",
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          "kind": "electrical",
          "unit": "MHz",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "VCE = -5 V; IC = -10 mA; f = 100 MHz",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "emitter capacitance (BC807-40H)",
          "symbol": "Ce",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 37,
          "conditions": "VEB = -0.5 V; IC = ic = 0 A; f = 1 MHz",
          "source_page": 7,
          "source": "datasheet"
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  "discovery_pitch": "BC807-40HR (Nexperia) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-24T17:35:40.532Z"
}