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Ray Set visibility: public 3379bed 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "el1018",
  "title": "EL1018",
  "brief": "Everlight Elec 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",
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  "tags": [
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  "component": {
    "mpn": "EL1018",
    "manufacturer": "Everlight Elec",
    "package": "SOP-4-2.54mm",
    "pin_count": 4,
    "category": "Optoisolators",
    "subcategory": "Transistor, Photovoltaic Output Optoisolators",
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      "checked_at": "2026-10-19T10:17:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "no match"
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      {
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        "name": "Anode",
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        "description": "Anode of the input infrared emitting diode; the input forward current is rated at 60 mA (IF) and the reverse voltage at 6 V (VR) in the absolute maximum ratings."
      },
      {
        "number": "2",
        "name": "Cathode",
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        "description": "Cathode of the input infrared emitting diode; the input forward current is rated at 60 mA (IF) and the reverse voltage at 6 V (VR) in the absolute maximum ratings."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Emitter of the output phototransistor; the emitter-collector voltage is rated at 7 V (VECO) in the absolute maximum ratings."
      },
      {
        "number": "4",
        "name": "Collector",
        "type": "passive",
        "description": "Collector of the output phototransistor; the collector current is rated at 50 mA (IC) and the collector-emitter voltage at 80 V (VCEO) in the absolute maximum ratings."
      }
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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",
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        "guard_notes": [
          "extractor flagged: The datasheet (Everlight EL101X-G series, 4-pin SOP, Rev.9) gives the 4-pin pin configuration (1 Ano; Pin types (passive) and descriptions are my engineering classification; the datasheet gives only the; The datasheet covers the EL101X-G series and lists EL1018 among its CTR ranks (130-260% at IF=10mA)."
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        "pages_sent": 12,
        "cost_usd": 0.0436,
        "at": "2026-10-19T10:15:25"
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        "sha256": "672992c6859dd31c",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f966be0315ede1d7c279b7361961651ad3bf041e8ee08b9486d3e8f3322ca8cf",
        "checked": "2026-10-19",
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  "metadata": {
    "specs": {
      "Manufacturer": "Everlight Elec",
      "Package": "SOP-4-2.54mm",
      "Category": "Optoisolators",
      "Pins": "4"
    },
    "appearance": {
      "housing": {
        "quote": "1.1 (A) Maximum Body Case Temperature Profile for evaluation of Reflow Profile Notes Reference: IPC/JEDEC J-STD-020D",
        "page": 11,
        "doc": "ds.pdf",
        "material": "PC"
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    "characteristics": {
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      "rows": [
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          "name": "Current transfer ratio (EL1018)",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 130,
          "typ": null,
          "max": 260,
          "conditions": "IF = 5mA, VCE = 5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
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          "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,
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        },
        {
          "name": "Collector-Emitter saturation voltage",
          "symbol": "VCE(sat)",
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          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "IF = 10mA, IC = 1mA",
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        },
        {
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          "symbol": "VF",
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          "min": null,
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          "max": 1.5,
          "conditions": "IF = 50mA",
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        },
        {
          "name": "Reverse current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "max": 10,
          "conditions": "VR = 6V",
          "source_page": 3,
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        {
          "name": "Collector-Emitter dark current",
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          "kind": "electrical",
          "unit": "nA",
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          "conditions": "VCE = 20V, IF = 0mA",
          "source_page": 3,
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        },
        {
          "name": "Floating capacitance",
          "symbol": "CIO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VIO = 0, f = 1MHz",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Rise time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "VCE = 5V, IC = 5mA, RL = 100",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Fall time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "VCE = 5V, IC = 5mA, RL = 100",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Forward current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "Peak forward current",
          "symbol": "IFP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1.5,
          "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"
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        {
          "name": "Input power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Output power dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Collector current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
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        {
          "name": "Collector-Emitter voltage",
          "symbol": "VCEO",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 80,
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        {
          "name": "Emitter-Collector voltage",
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          "conditions": "AC for 1 minute, R.H. 40~60%",
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          "name": "Operating temperature",
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        {
          "name": "Soldering temperature",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "For 10 seconds",
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  "discovery_pitch": "EL1018 (Everlight Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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