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Ray Set visibility: public a040163 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "sfh618a-3",
  "title": "SFH618A-3",
  "brief": "Vishay Intertech Transistor, Photovoltaic Output Optoisolators, DIP-4. 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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  "component": {
    "mpn": "SFH618A-3",
    "manufacturer": "Vishay Intertech",
    "package": "DIP-4",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5d9b1387389af0f50ae882e1fc5b64be.pdf",
    "parts": {
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      "model_3d_step_plain": "sfh618a-3.step",
      "lbr": "sfh618a-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C19078475",
      "digikey": "SFH618A-3-ND",
      "mouser": "782-SFH618A-3"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T06:43:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "SFH618A-3-ND",
        "status": "found",
        "lifecycle": "Active"
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        "pn": "782-SFH618A-3",
        "status": "found"
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    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode of the GaAs infrared LED input; forward current IF max 60 mA, reverse voltage VR max 6 V."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Cathode of the GaAs infrared LED input; typical forward voltage 1.1 V (max 1.5 V) at IF = 5 mA."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the silicon phototransistor output; emitter-collector voltage VECO max 7 V."
      },
      {
        "number": "4",
        "name": "C",
        "type": "passive",
        "description": "Collector of the silicon phototransistor output; VCEO max 55 V and collector current IC max 50 mA."
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        "at": "2026-10-27T06:43:22"
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        "pages": 10,
        "sha256": "68f908167d3e4aa3",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "extents_mm": [
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "39490b2c17b5f36ae3fdd5fdd2952f6879a060ff6cbc6d0241e3d6262fd0f215",
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  "metadata": {
    "specs": {
      "Manufacturer": "Vishay Intertech",
      "Package": "DIP-4",
      "Category": "Optoisolators",
      "Pins": "4"
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      "rows": [
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          "unit": "μA",
          "min": null,
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          "max": 10,
          "conditions": "VR = 6 V",
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          "name": "Collector emitter leakage current",
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          "name": "Collector emitter saturation voltage",
          "symbol": "VCEsat",
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          "typ": 0.25,
          "max": 0.4,
          "conditions": "IC = 0.5 mA, IF = 1 mA",
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          "name": "Current transfer ratio",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 100,
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          "conditions": "Tamb = 25 °C",
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          "kind": "absolute_maximum",
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          "conditions": "Tamb = 25 °C",
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          "kind": "absolute_maximum",
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          "name": "Output power dissipation",
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          "kind": "absolute_maximum",
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          "max": 150,
          "conditions": "Tamb = 25 °C",
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          "name": "Storage temperature range",
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          "min": -55,
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          "name": "Ambient temperature range",
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          "kind": "absolute_maximum",
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          "min": -55,
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          "name": "Junction temperature",
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          "name": "Soldering temperature",
          "symbol": "Tsld",
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          "unit": "°C",
          "min": null,
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          "max": 260,
          "conditions": "max. 10 s, dip soldering distance to seating plane ≥ 1.5 mm",
          "source_page": 2,
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        {
          "name": "Input capacitance",
          "symbol": "CO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "VR = 0 V, f = 1 MHz",
          "source_page": 3,
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          "name": "Thermal resistance, input",
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          "name": "Collector emitter capacitance",
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          "conditions": "VCE = 5 V, f = 1 MHz",
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          "name": "Turn off time",
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          "unit": "μs",
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          "conditions": "VCC = 5 V, IC = 2 mA, RL = 100 Ω",
          "source_page": 3,
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        {
          "name": "Fall time",
          "symbol": "tf",
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          "unit": "μs",
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          "typ": 5,
          "max": null,
          "conditions": "VCC = 5 V, IC = 2 mA, RL = 100 Ω",
          "source_page": 3,
          "source": "datasheet"
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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