IL223AT

{
  "slug": "il223at",
  "version": "0.1.0",
  "type": "component",
  "description": "Vishay Intertech Transistor Output Optocoupler, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "optocoupler",
    "il223at",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "il223at.kicad_sym",
    "il223at.kicad_mod",
    "il223at.glb",
    "il223at.step",
    "il223at.lbr",
    "docs/hero.png",
    "docs/il223at-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "il223at-hero.glb",
    "il223at-hero.overlay.json",
    "il223at-etched.glb"
  ],
  "component": {
    "mpn": "IL223AT",
    "manufacturer": "Vishay Intertech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Optocoupler",
    "subcategory": "Transistor Output Optocoupler",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/abef90d193abe70fd865ca0875a8fbeb.pdf",
    "parts": {
      "symbol": "il223at.kicad_sym",
      "footprint": "il223at.kicad_mod",
      "model_3d": "il223at-hero.glb",
      "model_3d_plain": "il223at-etched.glb",
      "model_3d_step": "il223at-etched.step",
      "model_3d_step_plain": "il223at.step",
      "lbr": "il223at.lbr"
    },
    "distributor_links": {
      "lcsc": "C17604793"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:18:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 886 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "input",
        "description": "LED anode of the input GaAs infrared emitter, rated for 60 mA forward continuous current and 6.0 V peak reverse voltage."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "LED cathode of the input emitter, returned to the drive circuit; CTR is tested at IF = 1.0 mA."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the NPN photodarlington output transistor, with emitter-collector breakdown voltage of 5.0 V minimum."
      },
      {
        "number": "6",
        "name": "C",
        "type": "passive",
        "description": "Collector of the NPN photodarlington output transistor, with collector-emitter breakdown voltage of 30 V minimum and 50 mA maximum DC collector current."
      },
      {
        "number": "7",
        "name": "B",
        "type": "passive",
        "description": "Base connection of the photodarlington output transistor, with collector-base breakdown voltage of 70 V minimum."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal 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: Pin assignments were read from the pin diagram on page 1, where the text extraction scrambled the la; The datasheet does not define electrical pin types, so the types are inferred from the function of e"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0849,
        "at": "2026-10-23T18:18:14"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/abef90d193abe70fd865ca0875a8fbeb.pdf",
        "pages": 7,
        "sha256": "f48ab1f53c75cea8",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "il223at-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        "footprint_binding": "identity",
        "sha256": "3370e63398e05ab86fe7eac2d9dbd83aa62825a23d06247465d895f11eeacccc",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}