main
Ray Set visibility: public 87c5649 4d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "at4n28-cuh-d",
  "title": "AT4N28-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": [
    "component",
    "optoisolators",
    "at4n28-cuh-d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AT4N28-CUH-D",
    "manufacturer": "AOTE",
    "package": "DIP-6",
    "pin_count": 6,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6c4fda0237408cb050940f98d552d0ab.pdf",
    "parts": {
      "symbol": "at4n28-cuh-d.kicad_sym",
      "footprint": "at4n28-cuh-d.kicad_mod",
      "model_3d": "at4n28-cuh-d-hero.glb",
      "model_3d_plain": "at4n28-cuh-d-etched.glb",
      "model_3d_step": "at4n28-cuh-d-etched.step",
      "model_3d_step_plain": "at4n28-cuh-d.step",
      "lbr": "at4n28-cuh-d.lbr"
    },
    "distributor_links": {
      "lcsc": "C22396199"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:22:47Z",
      "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 input infrared LED; forward current IF is 5 to 15 mA recommended, 50 mA absolute maximum."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the input infrared LED; reverse voltage must not exceed 6 V."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter of the output phototransistor; emitter-collector voltage VECO is 7 V maximum."
      },
      {
        "number": "5",
        "name": "Collector",
        "type": "passive",
        "description": "Collector of the output phototransistor; VCEO is 30 V absolute maximum and collector current IC is 100 mA maximum."
      },
      {
        "number": "6",
        "name": "Base",
        "type": "passive",
        "description": "Base of the output phototransistor; collector-base voltage VCBO is 70 V maximum."
      }
    ],
    "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 pin table on page 2 is shared by the DIP6 and SMD6 variants. The order code field D means DIP, s; Page 2 gives BVCEO=70V in the features list. Pages 3 and 4 give VCEO 30 V and BVCEO min 30 V. The pi",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.2581,
        "at": "2026-10-24T00:22:31"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/6c4fda0237408cb050940f98d552d0ab.pdf",
        "pages": 12,
        "sha256": "39e9c8c142f6056a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "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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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          7.05,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a4460ddeadf04a1914d6bacbeb5b59d684aa99d513b0a3b223dbfdd0c77830c1",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at4n28-cuh-d-etched.step",
        "role": "eda",
        "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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        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d345fdd99158a130d3289403391e24da118df04b6a96e6cfa1a2c3726139b9a9",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "AOTE",
      "Package": "DIP-6",
      "Category": "Optoisolators",
      "Pins": "6"
    },
    "appearance": {
      "contacts": {
        "quote": "③ 框架类型 Lead Frame(Cu: 铜框架 Copper)",
        "page": 8,
        "doc": "ds.pdf",
        "material": "Copper"
      },
      "version": 1,
      "datasheet_sha256": "39e9c8c142f6056ac16bf41bb5830fea548bad12a3722b0e693d2e07e22c6247"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "39e9c8c142f6056ac16bf41bb5830fea548bad12a3722b0e693d2e07e22c6247",
      "rows": [
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.5,
          "conditions": "IF =10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VR =3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector Dark Current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VCE=10V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Breakdown Voltage",
          "symbol": "BVCBO",
          "kind": "electrical",
          "unit": "V",
          "min": 70,
          "typ": null,
          "max": null,
          "conditions": "IB =0.1mA, IF =0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "IC =0.1mA, IF =0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Collector Breakdown Voltage",
          "symbol": "BVECO",
          "kind": "electrical",
          "unit": "V",
          "min": 7,
          "typ": null,
          "max": null,
          "conditions": "IE =0.01mA, IF =0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Transfer Ratio (4N27, 28)",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "IF=10mA, VCE=10V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "IF=50mA, IC =2mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Isolation Capacitance",
          "symbol": "CISO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 1,
          "max": 2.5,
          "conditions": "V=0, F=1MHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Forward Current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Current",
          "symbol": "IFP",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "1us, pulse",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector Power Dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Collector Voltage",
          "symbol": "VECO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Isolation Voltage",
          "symbol": "Viso",
          "kind": "absolute_maximum",
          "unit": "Vrms",
          "min": null,
          "typ": null,
          "max": 5000,
          "conditions": "Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 110,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering Temperature",
          "symbol": "Tsol",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Current (recommended)",
          "symbol": "IF",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 5,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage (recommended)",
          "symbol": "VCEO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector Current (recommended)",
          "symbol": "IC",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 5,
          "typ": null,
          "max": 75,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Terminal Capacitance",
          "symbol": "Ct",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "V=0, F=1KHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Rise Time",
          "symbol": "Tr",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "VCE=10V, IC =2mA, RL =100Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Fall Time",
          "symbol": "Tf",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "VCE=10V, IC =2mA, RL =100Ω",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "at4n28-cuh-d"
  ],
  "discovery_pitch": "AT4N28-CUH-D (AOTE) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}