TCET1103

{
  "slug": "tcet1103",
  "version": "0.1.0",
  "type": "component",
  "description": "Vishay Intertech Transistor Output Optocoupler, DIP-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "optocoupler",
    "tcet1103",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tcet1103.kicad_sym",
    "tcet1103.kicad_mod",
    "tcet1103.glb",
    "tcet1103.step",
    "tcet1103.lbr",
    "docs/hero.png",
    "docs/tcet1103-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tcet1103-hero.glb",
    "tcet1103-hero.overlay.json",
    "tcet1103-etched.glb"
  ],
  "component": {
    "mpn": "TCET1103",
    "manufacturer": "Vishay Intertech",
    "package": "DIP-4",
    "pin_count": 4,
    "category": "Optocoupler",
    "subcategory": "Transistor Output Optocoupler",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7576d79c557821154f07e41b545e875f.pdf",
    "parts": {
      "symbol": "tcet1103.kicad_sym",
      "footprint": "tcet1103.kicad_mod",
      "model_3d": "tcet1103-hero.glb",
      "model_3d_plain": "tcet1103-etched.glb",
      "model_3d_step": "tcet1103-etched.step",
      "model_3d_step_plain": "tcet1103.step",
      "lbr": "tcet1103.lbr"
    },
    "distributor_links": {
      "lcsc": "C17486598",
      "digikey": "TCET1103-ND",
      "mouser": "782-TCET1103"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:21:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TCET1103-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "782-TCET1103",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "input",
        "description": "Anode of the gallium arsenide infrared-emitting diode, with forward current limited to 60 mA (1.5 A surge for tp ≤ 10 µs) and reverse voltage limited to 6 V."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Cathode of the infrared-emitting diode (input side), VF typically 1.25 V and max 1.6 V at IF = 50 mA."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the phototransistor output, with emitter-collector voltage limited to 7 V."
      },
      {
        "number": "4",
        "name": "C",
        "type": "passive",
        "description": "Collector of the phototransistor output, rated for VCEO 70 V and collector current up to 50 mA."
      }
    ],
    "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 datasheet text gives no pin table. The pin-diagram text only lists the labels 'C E / A C' and th; TCET1103 is in the DIP-4 row (not the 400 mil 'G' lead form) of the ordering table. Both lead forms "
        ],
        "pages_sent": 9,
        "cost_usd": 0.0992,
        "at": "2026-10-24T00:21:37"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7576d79c557821154f07e41b545e875f.pdf",
        "pages": 9,
        "sha256": "91bf2466853e900e",
        "source_tier": "mfr"
      },
      "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": "tcet1103.step",
        "role": "plain",
        "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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          4.93,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "39490b2c17b5f36ae3fdd5fdd2952f6879a060ff6cbc6d0241e3d6262fd0f215",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tcet1103-etched.step",
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        "sha256": "9ab62bea427709cb81427165cb46deff48277b47ac59a95108b024f17e2c9663",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}