4N37

{
  "slug": "4n37",
  "version": "0.1.0",
  "type": "component",
  "description": "Vishay Intertech Optocouplers - Phototransistor Output, DIP-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "optocoupler-led-digital tube-photoelectric device",
    "4n37",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "4n37.kicad_mod",
    "4n37.glb",
    "4n37.step",
    "4n37.lbr",
    "docs/hero.png",
    "docs/4n37-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "4n37-hero.overlay.json",
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  "component": {
    "mpn": "4N37",
    "manufacturer": "Vishay Intertech",
    "package": "DIP-6",
    "pin_count": 6,
    "category": "Optocoupler/LED/Digital Tube/Photoelectric Device",
    "subcategory": "Optocouplers - Phototransistor Output",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8e02fdd39660e5bd55ecef64eddafd0d.pdf",
    "parts": {
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      "footprint": "4n37.kicad_mod",
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      "model_3d_plain": "4n37-etched.glb",
      "model_3d_step": "4n37-etched.step",
      "model_3d_step_plain": "4n37.step",
      "lbr": "4n37.lbr"
    },
    "distributor_links": {
      "lcsc": "C2980320",
      "digikey": "160-1306-5-ND",
      "mouser": "78-4N37"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T18:35:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "160-1306-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "78-4N37",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode of the infrared LED input, with forward current rated at 50 mA maximum and reverse voltage 6 V maximum."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Cathode of the infrared LED input; 1 A surge current (t ≤ 10 µs) and 70 mW input power dissipation maximum."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the NPN phototransistor output; emitter-base breakdown voltage is 7 V."
      },
      {
        "number": "5",
        "name": "C",
        "type": "passive",
        "description": "Collector of the NPN phototransistor output, rated VCEO 70 V and IC 50 mA maximum (100 mA for t ≤ 1 ms)."
      },
      {
        "number": "6",
        "name": "B",
        "type": "passive",
        "description": "Base of the NPN phototransistor, brought out for the base connection."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin-diagram text on page 1 lists the labels (A, C, NC for pins 1-3; B, C, E for pins 6-4) withou; Pin types for the LED anode/cathode and the phototransistor pins are set to passive because the data"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0771,
        "at": "2026-10-26T18:35:00"
      },
      "datasheet": {
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        "pages": 7,
        "sha256": "c7a6ec386422bf8d",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "extents_mm": [
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        "sha256": "a4460ddeadf04a1914d6bacbeb5b59d684aa99d513b0a3b223dbfdd0c77830c1",
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}