EL357N

{
  "slug": "el357n",
  "version": "0.1.0",
  "type": "component",
  "description": "Everlight Elec Transistor, Photovoltaic Output Optoisolators, SOP-4-2.54mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "optoisolators",
    "el357n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "el357n.kicad_sym",
    "el357n.kicad_mod",
    "el357n.glb",
    "el357n.step",
    "el357n.lbr",
    "docs/hero.png",
    "docs/el357n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "el357n-hero.glb",
    "el357n-hero.overlay.json"
  ],
  "component": {
    "mpn": "EL357N",
    "manufacturer": "Everlight Elec",
    "package": "SOP-4-2.54mm",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://www.everlighteurope.com/custom/files/datasheets/DPC-0000014.pdf",
    "parts": {
      "symbol": "el357n.kicad_sym",
      "footprint": "el357n.kicad_mod",
      "model_3d": "el357n-hero.glb",
      "model_3d_plain": "el357n.glb",
      "model_3d_step": "el357n-etched.step",
      "model_3d_step_plain": "el357n.step",
      "lbr": "el357n.lbr"
    },
    "distributor_links": {
      "lcsc": "C42379244"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T12:26:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Anode",
        "type": "passive",
        "description": "Anode of the input infrared emitting diode; the isolation test note on page 2 shorts pins 1 and 2 together for the input side."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the input infrared emitting diode; the device has a reverse voltage rating of 6 V and the datasheet states it is not designed for reverse operation."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter of the output phototransistor; the emitter-collector breakdown voltage BVECO is specified at a minimum of 7 V (IE = 0.01 mA)."
      },
      {
        "number": "4",
        "name": "Collector",
        "type": "passive",
        "description": "Collector of the output phototransistor; the collector-emitter breakdown voltage BVCEO is specified at a minimum of 80 V (IC = 0.1 mA) and the collector current rating is 50 mA."
      }
    ],
    "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: The requested package hint 'SOP-4-2.54mm' is not confirmed by the datasheet text. The text calls the; The datasheet gives pin functions only (Anode, Cathode, Emitter, Collector) and no per-pin electrica; The datasheet covers the EL357N-G series with several CTR ranks and tape-and-reel options. The pinou"
        ],
        "pages_sent": 14,
        "cost_usd": 0.039,
        "at": "2026-10-12T12:26:40"
      },
      "datasheet": {
        "url": "https://www.everlighteurope.com/custom/files/datasheets/DPC-0000014.pdf",
        "pages": 14,
        "sha256": "feae46b4e0b5b619",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "el357n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.096,
          4.089,
          2.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f966be0315ede1d7c279b7361961651ad3bf041e8ee08b9486d3e8f3322ca8cf",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "el357n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0.0,
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        "sha256": "39a76bdc4030acec1507f76677bde00b061cff2dfd70b67ec33b1ff638b016bb",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}