6N139M

{
  "schema_version": 1,
  "type": "component",
  "slug": "6n139m",
  "title": "6N139M",
  "brief": "onsemi Logic Output Optoisolators, DIP-8. 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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    "optoisolators",
    "6n139m",
    "factory-2.0.0",
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  "component": {
    "mpn": "6N139M",
    "manufacturer": "onsemi",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Optoisolators",
    "subcategory": "Logic Output Optoisolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893758125039616",
    "parts": {
      "symbol": "6n139m.kicad_sym",
      "footprint": "6n139m.kicad_mod",
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      "model_3d_step_plain": "6n139m.step",
      "lbr": "6n139m.lbr"
    },
    "distributor_links": {
      "lcsc": "C4071",
      "digikey": "160-1800-ND",
      "mouser": "512-6N139M"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T19:44:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "160-1800-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "512-6N139M",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "N/C",
        "type": "unconnected",
        "description": "No internal connection; the datasheet schematic labels two pins as N/C for the 6N138M/6N139M, and pin 1 is one of them, so leave it unconnected."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "LED anode input; the AlGaAs input LED is rated at 20 mA average forward current per channel, 40 mA peak (50% duty, 1 ms), and 5 V maximum reverse voltage."
      },
      {
        "number": "3",
        "name": "CATHODE",
        "type": "passive",
        "description": "LED cathode input; the input LED is rated at 20 mA average forward current, 40 mA peak, 1.0 A transient (≤1 µs), and 5 V maximum reverse voltage."
      },
      {
        "number": "4",
        "name": "N/C",
        "type": "unconnected",
        "description": "No internal connection; the datasheet schematic labels two pins as N/C for the 6N138M/6N139M, and pin 4 is one of them, so leave it unconnected."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Detector ground reference; the output stage and supply are referenced to this pin, and the input side is isolated from it by 5000 VRMS withstand voltage."
      },
      {
        "number": "6",
        "name": "VO",
        "type": "output",
        "description": "Open-collector logic output of the split darlington detector, rated for 60 mA average output current and an output voltage of -0.5 V to 7 V (6N138M) or -0.5 V to 18 V (6N139M)."
      },
      {
        "number": "7",
        "name": "VB",
        "type": "power_in",
        "description": "Base connection of the output darlington, which must be left open on the 6N138M and 6N139M (datasheet note 3 specifies pin 7 open for these devices)."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Detector supply voltage, with absolute maximum of 7 V for the 6N138M and 18 V for the 6N139M (-0.5 V minimum for both), and the CTR and switching specifications are given at VCC = 5 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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 text lists 'N/C N/C' for the 6N138M/6N139M schematic but the extracted text does not e; The schematic text labels the LED as '+' and '_' without explicit pin numbers in the extraction; ano; Datasheet is a Fairchild Semiconductor document (Rev. 1.0.2, 2009) rather than an onsemi one; the pa",
          "1/8 pins cited to the wrong page (name found elsewhere): ['7:VB@p5']"
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        "cost_usd": 0.0764,
        "at": "2026-10-14T19:44:18"
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        "pages": 14,
        "sha256": "d4fb99b50a824826",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "extents_mm": [
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "DIP-8",
      "Category": "Optoisolators",
      "Pins": "8"
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          "name": "Storage Temperature",
          "symbol": "TSTG",
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          "min": -40,
          "typ": null,
          "max": 125,
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          "unit": "mW",
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          "min": null,
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        {
          "name": "Emitter-Base Reverse Voltage",
          "symbol": "VER",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "6N138M and 6N139M",
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        {
          "name": "Supply Voltage, Output Voltage",
          "symbol": "VCC, VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 18,
          "conditions": "6N139M and HCPL2731M",
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          "name": "Output Power Dissipation",
          "symbol": "PO",
          "kind": "absolute_maximum",
          "unit": "mW",
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          "name": "Input Forward Voltage",
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          "name": "Input Reverse Breakdown Voltage",
          "symbol": "BVR",
          "kind": "electrical",
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          "conditions": "TA = 25°C, IR = 10µA",
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          "name": "Logic HIGH Output Current",
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          "kind": "electrical",
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          "kind": "electrical",
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        {
          "name": "Current Transfer Ratio",
          "symbol": "CTR",
          "kind": "electrical",
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          "min": 400,
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          "name": "Current Transfer Ratio",
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          "min": 500,
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          "name": "Logic LOW Output Voltage",
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          "name": "Logic LOW Output Voltage",
          "symbol": "VOL",
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          "min": null,
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          "name": "Logic LOW Output Voltage",
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          "kind": "electrical",
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          "source_page": 3,
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          "name": "Logic LOW Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.18,
          "max": 0.4,
          "conditions": "IF = 12mA, IO = 24mA, VCC = 4.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay Time to Logic LOW",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "µs",
          "min": null,
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          "conditions": "VCC = 5V, RL = 4.7kΩ, IF = 0.5mA",
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          "name": "Propagation Delay Time to Logic LOW",
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          "conditions": "RH ≤ 50%, TA = 25°C, II-O ≤ 10µA, 50Hz, t = 1 min.",
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          "source": "datasheet"
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