main
Ray Set visibility: public 16e7877 14d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "gx817b-s",
  "title": "GX817B-S",
  "brief": "GUOXIN JIAPIN SEMICONDUCTOR 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",
    "gx817b-s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GX817B-S",
    "manufacturer": "GUOXIN JIAPIN SEMICONDUCTOR",
    "package": "SOP-4-2.54mm",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894168089841664",
    "parts": {
      "symbol": "gx817b-s.kicad_sym",
      "footprint": "gx817b-s.kicad_mod",
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      "model_3d_plain": "gx817b-s-etched.glb",
      "model_3d_step": "gx817b-s-etched.step",
      "model_3d_step_plain": "gx817b-s.step",
      "lbr": "gx817b-s.lbr"
    },
    "distributor_links": {
      "lcsc": "C2684624"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T22:50:25Z",
      "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 infrared emitting diode; forward current max 60 mA, reverse voltage max 6 V."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the infrared emitting diode; input side, shorted with pin 1 for the 5000 Vrms isolation test."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter of the output phototransistor; emitter-collector voltage max 6 V."
      },
      {
        "number": "4",
        "name": "Collector",
        "type": "passive",
        "description": "Collector of the output phototransistor; collector-emitter voltage max 35 V and collector current max 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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package hint SOP-4-2.54mm is not named in the datasheet. The S suffix is assumed to be the surfa; The datasheet does not state the ERC type for the anode, cathode, emitter and collector pins, so I u",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.1002,
        "at": "2026-10-14T22:50:11"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894168089841664",
        "pages": 13,
        "sha256": "46c214d879f1abb3",
        "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": [
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        "file": "gx817b-s.step",
        "role": "plain",
        "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": "f966be0315ede1d7c279b7361961651ad3bf041e8ee08b9486d3e8f3322ca8cf",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gx817b-s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "sha256": "7a9ccb499c60e6652d239ef7058923e547a7a2197f0a6ffe455ded79063212e8",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GUOXIN JIAPIN SEMICONDUCTOR",
      "Package": "SOP-4-2.54mm",
      "Category": "Optoisolators",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "46c214d879f1abb37c10dbdeb6e25094a32ef900769a95f05e5305dabe9e7318",
      "rows": [
        {
          "name": "Forward current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak forward current",
          "symbol": "IFP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "1us, pulse",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation (input)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation (output)",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Collector voltage",
          "symbol": "VECO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation",
          "symbol": "PTOT",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Isolation voltage",
          "symbol": "VISO",
          "kind": "absolute_maximum",
          "unit": "V rms",
          "min": null,
          "typ": null,
          "max": 5000,
          "conditions": "AC for 1 minute, R.H.=40~60% R.H.; pins 1,2 shorted and pins 3,4 shorted",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 110,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "TSOL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "For 10 seconds",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.4,
          "conditions": "IF = 20mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VR = 4V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "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 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": "Collector-Emitter breakdown voltage",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 35,
          "typ": null,
          "max": null,
          "conditions": "IC = 0.1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "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": "Current transfer ratio (GX817B rank)",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 130,
          "typ": null,
          "max": 260,
          "conditions": "IF = 5mA, VCE = 5V",
          "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,
          "source": "datasheet"
        },
        {
          "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": "Rise time",
          "symbol": "tr",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "VCE = 2V, IC = 2mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Fall time",
          "symbol": "tf",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "RL = 100, VCE = 2V, IC = 2mA",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
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    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gx817b-s"
  ],
  "discovery_pitch": "GX817B-S (GUOXIN JIAPIN SEMICONDUCTOR) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "path": "docs/hero.png"
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  "visibility": {
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}