6N139M

{
  "slug": "6n139m",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Logic Output Optoisolators, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "optoisolators",
    "6n139m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "6n139m.kicad_sym",
    "6n139m.kicad_mod",
    "6n139m.glb",
    "6n139m.step",
    "6n139m.lbr",
    "docs/hero.png",
    "docs/6n139m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "6n139m-hero.glb",
    "6n139m-hero.overlay.json",
    "6n139m-etched.glb"
  ],
  "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",
      "model_3d": "6n139m-hero.glb",
      "model_3d_plain": "6n139m-etched.glb",
      "model_3d_step": "6n139m-etched.step",
      "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']"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0764,
        "at": "2026-10-14T19:44:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893758125039616",
        "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
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "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": [
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          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "6n139m-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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          9.27,
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        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
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        "sha256": "8e95403112fbc4fb12e86bb2e4a99158b837da92f8ddd2bd948a18136a7db90d",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}