ULN2003ALDTR-MS

{
  "slug": "uln2003aldtr-ms",
  "version": "0.1.0",
  "type": "component",
  "description": "MSKSEMI Darlington Transistor Arrays, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "uln2003aldtr-ms",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "uln2003aldtr-ms.glb",
    "uln2003aldtr-ms.step",
    "uln2003aldtr-ms.lbr",
    "docs/hero.png",
    "docs/uln2003aldtr-ms-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "uln2003aldtr-ms-hero.overlay.json",
    "uln2003aldtr-ms-etched.glb"
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  "component": {
    "mpn": "ULN2003ALDTR-MS",
    "manufacturer": "MSKSEMI",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Transistors/Thyristors",
    "subcategory": "Darlington Transistor Arrays",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d9c4a78c0b5c3a8b0592c8895a9dfacc.pdf",
    "parts": {
      "symbol": "uln2003aldtr-ms.kicad_sym",
      "footprint": "uln2003aldtr-ms.kicad_mod",
      "model_3d": "uln2003aldtr-ms-hero.glb",
      "model_3d_plain": "uln2003aldtr-ms-etched.glb",
      "model_3d_step": "uln2003aldtr-ms-etched.step",
      "model_3d_step_plain": "uln2003aldtr-ms.step",
      "lbr": "uln2003aldtr-ms.lbr"
    },
    "distributor_links": {
      "lcsc": "C47020998"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:27:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1B",
        "type": "input",
        "description": "Base input of Darlington pair 1; inputs are pinned opposite their outputs to simplify board layout."
      },
      {
        "number": "2",
        "name": "2B",
        "type": "input",
        "description": "Base input of Darlington pair 2; inputs are pinned opposite their outputs to simplify board layout."
      },
      {
        "number": "3",
        "name": "3B",
        "type": "input",
        "description": "Base input of Darlington pair 3; inputs are pinned opposite their outputs to simplify board layout."
      },
      {
        "number": "4",
        "name": "4B",
        "type": "input",
        "description": "Base input of Darlington pair 4; inputs are pinned opposite their outputs to simplify board layout."
      },
      {
        "number": "5",
        "name": "5B",
        "type": "input",
        "description": "Base input of Darlington pair 5; inputs are pinned opposite their outputs to simplify board layout."
      },
      {
        "number": "6",
        "name": "6B",
        "type": "input",
        "description": "Base input of Darlington pair 6; inputs are pinned opposite their outputs to simplify board layout."
      },
      {
        "number": "7",
        "name": "7B",
        "type": "input",
        "description": "Base input of Darlington pair 7; inputs are pinned opposite their outputs to simplify board layout."
      },
      {
        "number": "8",
        "name": "E",
        "type": "power_in",
        "description": "Common emitter of all seven pairs, serving as the ground/substrate reference; all voltages are measured with respect to this terminal."
      },
      {
        "number": "9",
        "name": "COM",
        "type": "passive",
        "description": "Common node of the output clamp diodes used for inductive load suppression; the datasheet does not state the node's connection."
      },
      {
        "number": "10",
        "name": "7C",
        "type": "output",
        "description": "Open-collector output of pair 7, rated 500 mA per output with 50 V collector-to-emitter voltage."
      },
      {
        "number": "11",
        "name": "6C",
        "type": "output",
        "description": "Open-collector output of pair 6, rated 500 mA per output with 50 V collector-to-emitter voltage."
      },
      {
        "number": "12",
        "name": "5C",
        "type": "output",
        "description": "Open-collector output of pair 5, rated 500 mA per output with 50 V collector-to-emitter voltage."
      },
      {
        "number": "13",
        "name": "4C",
        "type": "output",
        "description": "Open-collector output of pair 4, rated 500 mA per output with 50 V collector-to-emitter voltage."
      },
      {
        "number": "14",
        "name": "3C",
        "type": "output",
        "description": "Open-collector output of pair 3, rated 500 mA per output with 50 V collector-to-emitter voltage."
      },
      {
        "number": "15",
        "name": "2C",
        "type": "output",
        "description": "Open-collector output of pair 2, rated 500 mA per output with 50 V collector-to-emitter voltage."
      },
      {
        "number": "16",
        "name": "1C",
        "type": "output",
        "description": "Open-collector output of pair 1, rated 500 mA per output with 50 V collector-to-emitter voltage."
      }
    ],
    "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 page 3 pin table text is garbled: the pin 9 label ('Common Clamp Diodes') and pin 10 number ('7C; The datasheet does not say what COM connects to (typically VCC for inductive loads), so the type 'pa; Pin 8 is labelled 'Common Emitter (ground E)' and is typed power_in per the ground rule; the datashe",
          "1/16 pins cited to the wrong page (name found elsewhere): ['10:7C@p3']"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0379,
        "at": "2026-10-19T07:27:06"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d9c4a78c0b5c3a8b0592c8895a9dfacc.pdf",
        "pages": 12,
        "sha256": "bd2daafce94fcd8d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "uln2003aldtr-ms.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "uln2003aldtr-ms-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e5b9bd4934ed11bcc074769e980a951a00a46edc9dcfcbd4716e38417f143bb5",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}