BF 2040 E6814

{
  "slug": "bf-2040-e6814",
  "version": "0.1.0",
  "type": "component",
  "description": "Infineon Technologies MOSFETs, SOT-143. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "transistors",
    "bf 2040 e6814",
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  "component": {
    "mpn": "BF 2040 E6814",
    "manufacturer": "Infineon Technologies",
    "package": "SOT-143",
    "pin_count": 4,
    "category": "Transistors",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f07d5ab086cf73b103fa0fa698281c4e.pdf",
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    "distributor_links": {
      "lcsc": "C534060"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:12:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S",
        "type": "passive",
        "description": "Source terminal of the MOSFET tetrode; total power dissipation is limited to 200 mW at TS ≤ 76 °C for the SOT143 package."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain terminal; drain-source voltage is limited to 8 V maximum and continuous drain current to 40 mA."
      },
      {
        "number": "3",
        "name": "G2",
        "type": "input",
        "description": "Gate 2 control input used for gain control; gate 1/gate 2-source current is limited to ±10 mA and gate 2-source breakdown voltage is 6 V min to 15 V max."
      },
      {
        "number": "4",
        "name": "G1",
        "type": "input",
        "description": "Gate 1 signal input; external biasing voltage is limited to +7 V maximum and gate 1/gate 2-source current to ±10 mA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not list the ordering code E6814 or map it to a package. I chose SOT143 because t; The datasheet does not give electrical pin types. Source and drain are set to passive, as is usual f"
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        "at": "2026-10-22T22:12:35"
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