4N25

{
  "schema_version": 1,
  "type": "component",
  "slug": "4n25",
  "title": "4N25",
  "brief": "Everlight Elec Transistor, Photovoltaic Output Optoisolators, DIP-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "optoisolators",
    "4n25",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "4N25",
    "manufacturer": "Everlight Elec",
    "package": "DIP-6",
    "pin_count": 6,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://en.everlight.com/wp-content/plugins/ItemRelationship/product_files/pdf/4N2X_3X_H11AX.pdf",
    "parts": {
      "symbol": "4n25.kicad_sym",
      "footprint": "4n25.kicad_mod",
      "model_3d": "4n25-hero.glb",
      "model_3d_plain": "4n25.glb",
      "model_3d_step": "4n25-etched.step",
      "model_3d_step_plain": "4n25.step",
      "lbr": "4n25.lbr"
    },
    "distributor_links": {
      "lcsc": "C115480",
      "mouser": "78-4N25"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T13:19:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "78-4N25",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Anode",
        "type": "passive",
        "description": "Infrared emitting diode anode; the input is rated for 60 mA forward current (1 A peak for 10 µs) and 6 V reverse voltage."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "Infrared emitting diode cathode; the input is rated for 60 mA forward current (1 A peak for 10 µs) and 6 V reverse voltage."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; the datasheet lists this pin as not connected."
      },
      {
        "number": "4",
        "name": "Emitter",
        "type": "passive",
        "description": "Phototransistor emitter; the output is rated for 80 V collector-emitter voltage (VCEO) and 7 V emitter-collector voltage (VECO)."
      },
      {
        "number": "5",
        "name": "Collector",
        "type": "passive",
        "description": "Phototransistor collector; the output is rated for 80 V collector-emitter voltage (VCEO) and 80 V collector-base voltage (VCBO)."
      },
      {
        "number": "6",
        "name": "Base",
        "type": "passive",
        "description": "Phototransistor base terminal; the datasheet gives no separate base-pin rating, only the 7 V emitter-base voltage (VEBO) limit."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types are assigned under KiCad ERC classes by inference; the datasheet names only the functions ; Pin numbering is taken from the Pin Configuration on page 1, which applies to the whole 4N2X series."
        ],
        "pages_sent": 13,
        "cost_usd": 0.0438,
        "at": "2026-10-09T13:17:02"
      },
      "datasheet": {
        "url": "https://en.everlight.com/wp-content/plugins/ItemRelationship/product_files/pdf/4N2X_3X_H11AX.pdf",
        "pages": 13,
        "sha256": "7e8bde6775c093f0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "4n25.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          7.05,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a4460ddeadf04a1914d6bacbeb5b59d684aa99d513b0a3b223dbfdd0c77830c1",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "4n25-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          7.05,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "bcb362600c752264e9e1aa4191d896d98e0282596915bc533ca13123febde78f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Everlight Elec",
      "Package": "DIP-6",
      "Category": "Optoisolators",
      "Pins": "6"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "4n25"
  ],
  "discovery_pitch": "4N25 (Everlight Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "4n25.kicad_sym",
    "4n25.kicad_mod",
    "4n25.glb",
    "4n25.step",
    "4n25.lbr",
    "docs/hero.png",
    "docs/4n25-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "4n25-hero.glb",
    "4n25-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}