SFH618A-4

{
  "slug": "sfh618a-4",
  "version": "0.1.1",
  "type": "component",
  "description": "Vishay Intertech Optocouplers - Phototransistor Output, DIP-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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  "component": {
    "mpn": "SFH618A-4",
    "manufacturer": "Vishay Intertech",
    "package": "DIP-4",
    "pin_count": 4,
    "category": "Optocoupler/LED/Digital Tube/Photoelectric Device",
    "subcategory": "Optocouplers - Phototransistor Output",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/12ba7680683e80bf102f1d196e815993.pdf",
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    "distributor_links": {
      "lcsc": "C5224102"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:38:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 385 calls left today"
      },
      "mouser": {
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    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode of the GaAs infrared LED input, rated for a maximum forward current of 60 mA and reverse voltage of 6 V."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Cathode of the GaAs infrared LED input, the return side of the emitter diode (max forward current 60 mA)."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the silicon phototransistor output, with a maximum emitter-collector voltage of 7 V."
      },
      {
        "number": "4",
        "name": "C",
        "type": "passive",
        "description": "Collector of the silicon phototransistor output, rated for VCEO of 55 V and a collector current of 50 mA (100 mA for tp ≤ 1 ms)."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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