main
Ray Set visibility: public 6956e91 10d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "upc817xg-d04-t",
  "title": "UPC817XG-D04-T",
  "brief": "UTC Unisonic Tech Transistor, Photovoltaic Output Optoisolators, DIP-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": [
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    "optoisolators",
    "upc817xg-d04-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "UPC817XG-D04-T",
    "manufacturer": "UTC Unisonic Tech",
    "package": "DIP-4",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945612176044032",
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      "lbr": "upc817xg-d04-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2900479"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T19:35:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "input",
        "description": "Anode of the input LED; forward current is rated at 60 mA maximum with 1 A peak for 1 µs pulses, and VF is typically tested at IF = 20 mA."
      },
      {
        "number": "2",
        "name": "K",
        "type": "input",
        "description": "Cathode of the input LED; reverse voltage is rated at 6 V maximum (VR)."
      },
      {
        "number": "3",
        "name": "E",
        "type": "output",
        "description": "Emitter of the output phototransistor; emitter-collector voltage is rated at 6 V maximum (VECO)."
      },
      {
        "number": "4",
        "name": "C",
        "type": "output",
        "description": "Collector of the output phototransistor; collector current is rated at 50 mA maximum and collector-emitter voltage at 35 V maximum (VCEO)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 MPN UPC817XG-D04-T matches the ordering-table entry UPC817xG-D04-T (DIP-4, Tube), where 'x' is t; KiCad pin types (input/output) are my classification, not stated in the datasheet; the datasheet onl"
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        "pages_sent": 7,
        "cost_usd": 0.0289,
        "at": "2026-10-18T19:33:09"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945612176044032",
        "pages": 7,
        "sha256": "51b0a80702c7ef62",
        "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"
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    "models_3d": [
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        "file": "upc817xg-d04-t.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,
        "footprint_binding": "identity",
        "sha256": "39490b2c17b5f36ae3fdd5fdd2952f6879a060ff6cbc6d0241e3d6262fd0f215",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "upc817xg-d04-t-etched.step",
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        "sha256": "f890455943f44bd8a793179a94b74d4dec767c5a84762e1b4a79afde832b2ae4",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UTC Unisonic Tech",
      "Package": "DIP-4",
      "Category": "Optoisolators",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "51b0a80702c7ef62a1b8f8f518738d451bc2c96132400b0de7fb189ff8f41764",
      "rows": [
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          "name": "Current Transfer Ratio (UPC817X rank)",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 100,
          "typ": null,
          "max": 200,
          "conditions": "IF=5mA, VCE=5V",
          "source_page": 3,
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        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 35,
          "typ": null,
          "max": null,
          "conditions": "IC=0.1mA",
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        {
          "name": "Emitter-Collector Breakdown Voltage",
          "symbol": "BVECO",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "IE=0.1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Dark Current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCE=20V, IF=0mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VR=4V",
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        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.4,
          "conditions": "IF=20mA",
          "source_page": 3,
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        },
        {
          "name": "Input Capacitance",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 30,
          "max": 250,
          "conditions": "V=0, f=1kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": 0.2,
          "conditions": "IF=20mA, IC=1mA",
          "source_page": 3,
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        },
        {
          "name": "Floating Capacitance",
          "symbol": "CIO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.6,
          "max": 1,
          "conditions": "VIO=0, f=1MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Cut-Off Frequency",
          "symbol": "fC",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VCE=5V, IC=2mA, RL=100Ω, -3dB",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Rise Time",
          "symbol": "tR",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": 4,
          "max": 18,
          "conditions": "VCE=2V, IC=2mA, RL=100Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Fall Time",
          "symbol": "tF",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": 3,
          "max": 18,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Current",
          "symbol": "IFP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "1µs, Pulse",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Output Power Dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
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          "min": null,
          "typ": null,
          "max": 35,
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          "name": "Total Power Dissipation",
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          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Isolation Voltage",
          "symbol": "VISO",
          "kind": "absolute_maximum",
          "unit": "Vrms",
          "min": null,
          "typ": null,
          "max": 5000,
          "conditions": "AC for 1 minute, R.H.=40~60%",
          "source_page": 3,
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          "name": "Operating Temperature",
          "symbol": "TOPR",
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          "unit": "°C",
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          "typ": null,
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          "conditions": "",
          "source_page": 3,
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        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
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  "discovery_pitch": "UPC817XG-D04-T (UTC Unisonic Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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