PC3H4B

{
  "schema_version": 1,
  "type": "component",
  "slug": "pc3h4b",
  "title": "PC3H4B",
  "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",
    "pc3h4b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PC3H4B",
    "manufacturer": "AOTE",
    "package": "SSOP-4",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4cca93b313b8f8c35a9e8c764e9d7e65.pdf",
    "parts": {
      "symbol": "pc3h4b.kicad_sym",
      "footprint": "pc3h4b.kicad_mod",
      "model_3d": "pc3h4b-hero.glb",
      "model_3d_plain": "pc3h4b.glb",
      "model_3d_step": "pc3h4b-etched.step",
      "model_3d_step_plain": "pc3h4b.step",
      "lbr": "pc3h4b.lbr"
    },
    "distributor_links": {
      "lcsc": "C48996489"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T19:46:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Anode/Cathode",
        "type": "passive",
        "description": "One terminal of the input LED, which the datasheet rates for forward current IF = ±50 (printed with unit 'A', most likely mA), so the LED is driven with either polarity via this pin and pin 2."
      },
      {
        "number": "2",
        "name": "Cathode/Anode",
        "type": "passive",
        "description": "Other terminal of the input LED, paired with pin 1 for the ±IF drive, with forward voltage VF typically 1.2 V and maximum 1.4 V at IF = ±20 mA."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Phototransistor emitter, with emitter-collector voltage rated VECO 7 V and emitter-collector breakdown BVECO of at least 7 V at IE = 10 µA."
      },
      {
        "number": "4",
        "name": "Collector",
        "type": "output",
        "description": "Phototransistor collector, rated for collector-emitter voltage VCEO 80 V, with collector current IC printed as 50 (unit 'A', most likely mA) and collector power PC 150 (unit 'W', most likely mW)."
      }
    ],
    "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 gives pin 1 as 'Anode/Cathode' and pin 2 as 'Cathode/Anode' without stating which is t; Ratings in the Absolute Maximum table are printed with units 'A' and 'W' (e.g., IF ±50 A, IC 50 A, P; The datasheet covers the family PC3H4X (classification A, B or blank) and does not list the orderabl"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0436,
        "at": "2026-10-09T19:45:47"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4cca93b313b8f8c35a9e8c764e9d7e65.pdf",
        "pages": 12,
        "sha256": "3c3bf5b24dfe4d67",
        "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": "pc3h4b.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": "4da3e06009e4f8ab850c5ac8c2a109cbe56aaac6f285fa1f8727744553c1c176",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pc3h4b-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": "4e4afe88fcfa70d0854a5a524e9f5846fa84661ff45486ce897bc62670ac2c60",
        "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": [
    "pc3h4b"
  ],
  "discovery_pitch": "PC3H4B (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",
    "pc3h4b.kicad_sym",
    "pc3h4b.kicad_mod",
    "pc3h4b.glb",
    "pc3h4b.step",
    "pc3h4b.lbr",
    "docs/hero.png",
    "docs/pc3h4b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pc3h4b-hero.glb",
    "pc3h4b-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}