PC3H7B

{
  "schema_version": 1,
  "type": "component",
  "slug": "pc3h7b",
  "title": "PC3H7B",
  "brief": "AOTE Transistor, Photovoltaic Output Optoisolators, SSOP-4. 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",
    "pc3h7b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PC3H7B",
    "manufacturer": "AOTE",
    "package": "SSOP-4",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d981349880b79f724463361f4ed08dd7.pdf",
    "parts": {
      "symbol": "pc3h7b.kicad_sym",
      "footprint": "pc3h7b.kicad_mod",
      "model_3d": "pc3h7b-hero.glb",
      "model_3d_plain": "pc3h7b-etched.glb",
      "model_3d_step": "pc3h7b-etched.step",
      "model_3d_step_plain": "pc3h7b.step",
      "lbr": "pc3h7b.lbr"
    },
    "distributor_links": {
      "lcsc": "C48996488",
      "digikey": "425-1353-2-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-13T10:04:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "425-1353-2-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Anode",
        "type": "input",
        "description": "LED anode of the input emitter; the datasheet limits forward current IF to 50 (printed as 'A', likely mA), reverse voltage VR to 6 V, and peak pulse forward current IFP to 1000 (1 µs pulse, printed as 'A')."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "LED cathode of the input emitter, returning the forward current; the same input ratings apply (IF 50, VR 6 V, IFP 1000 for 1 µs pulses, units as printed)."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Phototransistor emitter on the output side; the datasheet gives emitter-collector voltage VECO 7 V maximum and BVECO of at least 7 V at IE=0.01mA."
      },
      {
        "number": "4",
        "name": "Collector",
        "type": "passive",
        "description": "Phototransistor collector on the output side; the datasheet gives collector-emitter voltage VCEO 80 V maximum, collector current IC 50 (printed as 'A', likely mA), and total power Ptot 200 (printed as 'W')."
      }
    ],
    "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 datasheet covers the PC3H7X family (suffix X = classification A, B, C, D or blank). PC3H7B is a ; Pin types are KiCad-style assignments made from the pin function names (anode as input, cathode/emit; Units in the text extraction look garbled: IF 50 'A', IFP 1000 'A', IC 50 'A', PC 150 'W', Ptot 200 "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0409,
        "at": "2026-10-13T10:04:14"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d981349880b79f724463361f4ed08dd7.pdf",
        "pages": 12,
        "sha256": "bc13bd4f58cd048f",
        "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": "pc3h7b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.06,
          2.6,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d8b15fa40bd1b52f8b75ecdd3dbfc79ebbd162e268d1ee03b18e6bffc96668e1",
        "checked": "2026-10-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pc3h7b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.06,
          2.6,
          1.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4b841ffec5546739728fa7045b4c06a9f0c25015956345bb6942fd2d931648c9",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "AOTE",
      "Package": "SSOP-4",
      "Category": "Optoisolators",
      "Pins": "4"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "pc3h7b"
  ],
  "discovery_pitch": "PC3H7B (AOTE) 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",
    "pc3h7b.kicad_sym",
    "pc3h7b.kicad_mod",
    "pc3h7b.glb",
    "pc3h7b.step",
    "pc3h7b.lbr",
    "docs/hero.png",
    "docs/pc3h7b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pc3h7b-hero.glb",
    "pc3h7b-hero.overlay.json",
    "pc3h7b-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}