CT817C

{
  "schema_version": 1,
  "type": "component",
  "slug": "ct817c",
  "title": "CT817C",
  "brief": "CT Micro International Transistor, Photovoltaic Output Optoisolators, SOP-4-2.54mm. 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",
    "ct817c",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CT817C",
    "manufacturer": "CT Micro International",
    "package": "SOP-4-2.54mm",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883980943314944",
    "parts": {
      "symbol": "ct817c.kicad_sym",
      "footprint": "ct817c.kicad_mod",
      "model_3d": "ct817c-hero.glb",
      "model_3d_plain": "ct817c-etched.glb",
      "model_3d_step": "ct817c-etched.step",
      "model_3d_step_plain": "ct817c.step",
      "lbr": "ct817c.lbr"
    },
    "distributor_links": {
      "lcsc": "C191932"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T23:34:20Z",
      "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 GaAs infrared emitting diode; the input forward current IF is rated at 60 mA maximum, with typical VF of 1.24 V at IF=10 mA."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the infrared emitting diode; the reverse voltage VR is rated at 6 V maximum."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Phototransistor emitter; the emitter-collector breakdown voltage BVECO is 6 V minimum."
      },
      {
        "number": "4",
        "name": "Collector",
        "type": "passive",
        "description": "Phototransistor collector; BVCEO is 35 V minimum and the collector current IC is rated at 50 mA maximum."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet describes one 4-pin DIP body with several lead-form options (standard DIP, M, S, SL, S",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0591,
        "at": "2026-10-26T23:33:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883980943314944",
        "pages": 17,
        "sha256": "57e8e519edb066d3",
        "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": [
      {
        "file": "ct817c.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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f966be0315ede1d7c279b7361961651ad3bf041e8ee08b9486d3e8f3322ca8cf",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ct817c-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.089,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4b4a210c4b8cb9c1d2ffbda61edf726a12bed9569e2ecb1579fc33fc40e6f611",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CT Micro International",
      "Package": "SOP-4-2.54mm",
      "Category": "Optoisolators",
      "Pins": "4"
    },
    "appearance": {
      "contacts": {
        "quote": "H = Lead frame option (H: Iron, None: Copper)",
        "page": 11,
        "doc": "ds.pdf",
        "material": "Copper"
      },
      "version": 1,
      "datasheet_sha256": "57e8e519edb066d3e58c55968ae9cde9ebc9b79768d8b1e52d89ef5d6bd0685f"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ct817c"
  ],
  "discovery_pitch": "CT817C (CT Micro International) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ct817c.kicad_sym",
    "ct817c.kicad_mod",
    "ct817c.glb",
    "ct817c.step",
    "ct817c.lbr",
    "docs/hero.png",
    "docs/ct817c-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ct817c-hero.glb",
    "ct817c-hero.overlay.json",
    "ct817c-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}