main
Ray Set visibility: public 24b1104 12d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "el3h7",
  "title": "EL3H7",
  "brief": "Everlight Elec 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",
    "el3h7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "EL3H7",
    "manufacturer": "Everlight Elec",
    "package": "SSOP-4",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
    "datasheet": "https://www.everlighteurope.com/custom/files/datasheets/DPC-0000031.pdf",
    "parts": {
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      "footprint": "el3h7.kicad_mod",
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      "model_3d_step": "el3h7-etched.step",
      "model_3d_step_plain": "el3h7.step",
      "lbr": "el3h7.lbr"
    },
    "distributor_links": {
      "lcsc": "C42384999"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T03:18:57Z",
      "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": "Infrared emitting diode anode; the datasheet gives a forward current limit of 50 mA (IF), a peak forward current of 1 A (1 µs pulse), and a reverse voltage of 6 V, and states the device is not designed for reverse operation."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "Infrared emitting diode cathode; the datasheet states the device is not designed for reverse operation, with reverse voltage (VR) of 6 V rated only for the reverse-current test condition."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Phototransistor emitter; the emitter-collector voltage is rated at 7 V (VECO) with a minimum emitter-collector breakdown voltage of 7 V at IE = 0.1 mA."
      },
      {
        "number": "4",
        "name": "Collector",
        "type": "passive",
        "description": "Phototransistor collector; the collector-emitter voltage is rated at 80 V (VCEO) and the collector current at 50 mA (IC)."
      }
    ],
    "provenance": {
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      "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 datasheet names the pins (Anode, Cathode, Emitter, Collector) but gives no ERC pin types. Types ; Pin descriptions cite ratings from the Absolute Maximum Ratings and Electro-Optical tables (pages 2-"
        ],
        "pages_sent": 14,
        "cost_usd": 0.035,
        "at": "2026-10-17T03:17:32"
      },
      "datasheet": {
        "url": "https://www.everlighteurope.com/custom/files/datasheets/DPC-0000031.pdf",
        "pages": 14,
        "sha256": "cd70a6fc67be1569",
        "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": "el3h7.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": "2ed591e8b68984c5eb00db21815f5ed479a00158d7f3df69ed954a54be4b47ea",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "el3h7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1e7b5bcd0305fbd14971aead3aefec47419538d2b73be58b6253e709a6e28746",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Everlight Elec",
      "Package": "SSOP-4",
      "Category": "Optoisolators",
      "Pins": "4"
    },
    "appearance": {
      "housing": {
        "quote": "1.1 (A) Maximum Body Case Temperature Profile for evaluation of Reflow Profile Note: Reference: IPC/JEDEC J-STD-020D",
        "page": 12,
        "doc": "ds.pdf",
        "material": "PC"
      },
      "version": 1,
      "datasheet_sha256": "cd70a6fc67be1569763a2c17171dba210f881daa2485b842b7e1578f5c574328"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "cd70a6fc67be1569763a2c17171dba210f881daa2485b842b7e1578f5c574328",
      "rows": [
        {
          "name": "Current transfer ratio (rank EL3H7, no rank letter)",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 50,
          "typ": null,
          "max": 600,
          "conditions": "IF = 5mA, VCE = 5V",
          "source_page": 3,
          "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": 80,
          "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": 7,
          "typ": null,
          "max": null,
          "conditions": "IE = 0.1mA",
          "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 = 10mA, IC = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Floating capacitance",
          "symbol": "CIO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.3,
          "max": 1,
          "conditions": "VIO = 0, f = 1MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Rise time",
          "symbol": "tr",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": 5,
          "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": "VCE = 2V, IC = 2mA, RL = 100Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak forward current",
          "symbol": "IFP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "1 µs 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": 70,
          "conditions": "Derating 2.0 mW/°C above Ta = 90°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation (output)",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Derating 3.1 mW/°C above Ta = 70°C",
          "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": 80,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Collector voltage",
          "symbol": "VECO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "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": "Vrms",
          "min": null,
          "typ": null,
          "max": 3750,
          "conditions": "AC for 1 minute, R.H. 40~60%; pins 1-2 shorted, 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"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "el3h7"
  ],
  "discovery_pitch": "EL3H7 (Everlight Elec) 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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    "docs/el3h7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "el3h7-hero.overlay.json",
    "el3h7-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}