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Ray Set visibility: public da3c3d9 12d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "at4n31-cuh-d",
  "title": "AT4N31-CuH-D",
  "brief": "AOTE Transistor, Photovoltaic Output Optoisolators, DIP-6. 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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  "component": {
    "mpn": "AT4N31-CuH-D",
    "manufacturer": "AOTE",
    "package": "DIP-6",
    "pin_count": 6,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603345197439078400",
    "parts": {
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      "model_3d_plain": "at4n31-cuh-d-etched.glb",
      "model_3d_step": "at4n31-cuh-d-etched.step",
      "model_3d_step_plain": "at4n31-cuh-d.step",
      "lbr": "at4n31-cuh-d.lbr"
    },
    "distributor_links": {
      "lcsc": "C22396202"
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    "distributor_check": {
      "checked_at": "2026-10-16T23:18:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
        "status": "quota"
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    "pins": [
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        "number": "1",
        "name": "Anode",
        "type": "passive",
        "description": "LED anode of the GaAs input diode; the datasheet rates forward current IF at 60 mA, peak forward current IFP at 1 A (1 µs pulse), and reverse voltage VR at 3 V."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "LED cathode of the GaAs input diode, with the input reverse voltage limit VR of 3 V stated in the ratings."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; the datasheet lists this pin as NC and gives no function or limit for it."
      },
      {
        "number": "4",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter of the output Darlington transistor, with emitter-collector voltage VECO rated at 5 V and emitter-base voltage VEBO rated at 8 V."
      },
      {
        "number": "5",
        "name": "Collector",
        "type": "passive",
        "description": "Collector of the output Darlington transistor, rated for collector-emitter voltage VCEO of 30 V, collector current IC of 100 mA, and collector power dissipation PC of 150 mW."
      },
      {
        "number": "6",
        "name": "Base",
        "type": "passive",
        "description": "Base of the output Darlington transistor; the datasheet gives no separate pin-level limit, only the collector-base voltage VCBO of 50 V and emitter-base voltage VEBO of 8 V."
      }
    ],
    "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 AT4N31-CuH-D decodes as AT (AOTE), series 31, copper frame, halogen-free, package code D (DI; Pin types were assigned from the pin function, since the datasheet gives only names. Anode, cathode,; The datasheet's pin configuration is text only (1. Anode, 2. Cathode, 3. NC, 4. Emitter, 5. Collecto"
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        "pages_sent": 12,
        "cost_usd": 0.0322,
        "at": "2026-10-16T23:16:20"
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        "pages": 12,
        "sha256": "f6d9288e028d86f9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
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      "Package": "DIP-6",
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        "quote": "③ 框架类型 Lead Frame(Cu: 铜框架 Copper)",
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        "doc": "ds.pdf",
        "material": "Copper"
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          "conditions": "1us, pulse",
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          "name": "Total Power Dissipation",
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        {
          "name": "Operating Temperature",
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          "name": "Collector Dark Current",
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          "conditions": "VCE=10V",
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          "name": "Collector-Base Breakdown Voltage",
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          "name": "Current Transfer Ratio (4N31)",
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        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
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          "conditions": "IF=8mA, IC=2mA",
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          "name": "Turn-on Time",
          "symbol": "Ton",
          "kind": "timing",
          "unit": "µs",
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          "conditions": "VCE=10V, IC=50mA, RL=100Ω",
          "source_page": 5,
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        {
          "name": "Turn-off Time",
          "symbol": "Toff",
          "kind": "timing",
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          "source_page": 5,
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          "name": "Preheat Temperature",
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          "min": 150,
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          "conditions": "Reflow profile",
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          "name": "Preheat Time",
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        {
          "name": "Ramp-Up Rate (TL to TP)",
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          "kind": "timing",
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        },
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          "name": "Peak Temperature",
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          "name": "Time Within (TP-5) to TP",
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          "conditions": "Time during which Tc is between (TP-5) and TP",
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          "kind": "timing",
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          "max": 6,
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          "source_page": 9,
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        },
        {
          "name": "Manual Soldering Temperature Tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "℃",
          "min": -5,
          "typ": 360,
          "max": 5,
          "conditions": "Manual soldering, nominal 360℃ ± 5℃",
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  "discovery_pitch": "AT4N31-CuH-D (AOTE) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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