ULN2004M

{
  "slug": "uln2004m",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Darlington Transistor Arrays, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "uln2004m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "uln2004m.kicad_sym",
    "uln2004m.kicad_mod",
    "uln2004m.glb",
    "uln2004m.step",
    "uln2004m.lbr",
    "docs/hero.png",
    "docs/uln2004m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "uln2004m-hero.glb",
    "uln2004m-hero.overlay.json",
    "uln2004m-etched.glb"
  ],
  "component": {
    "mpn": "ULN2004M",
    "manufacturer": "HGSEMI",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Transistors/Thyristors",
    "subcategory": "Darlington Transistor Arrays",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756304587928420352",
    "parts": {
      "symbol": "uln2004m.kicad_sym",
      "footprint": "uln2004m.kicad_mod",
      "model_3d": "uln2004m-hero.glb",
      "model_3d_plain": "uln2004m-etched.glb",
      "model_3d_step": "uln2004m-etched.step",
      "model_3d_step_plain": "uln2004m.step",
      "lbr": "uln2004m.lbr"
    },
    "distributor_links": {
      "lcsc": "C356692"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T22:23:08Z",
      "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": "Darlington channel 1 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V."
      },
      {
        "number": "2",
        "name": "2B",
        "type": "input",
        "description": "Darlington channel 2 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V."
      },
      {
        "number": "3",
        "name": "3B",
        "type": "input",
        "description": "Darlington channel 3 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V."
      },
      {
        "number": "4",
        "name": "4B",
        "type": "input",
        "description": "Darlington channel 4 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V."
      },
      {
        "number": "5",
        "name": "5B",
        "type": "input",
        "description": "Darlington channel 5 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V."
      },
      {
        "number": "6",
        "name": "6B",
        "type": "input",
        "description": "Darlington channel 6 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V."
      },
      {
        "number": "7",
        "name": "7B",
        "type": "input",
        "description": "Darlington channel 7 input with 10.5-kΩ series base resistor for ULN2004, operable directly from 6 to 15 V CMOS; input voltage max 30 V."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Emitter/substrate ground terminal; total emitter-terminal current is limited to -2.5 A and all voltages are referenced to it."
      },
      {
        "number": "9",
        "name": "COM",
        "type": "passive",
        "description": "Common cathode of the output clamp diodes for switching inductive loads; clamp current max 500 mA."
      },
      {
        "number": "10",
        "name": "7C",
        "type": "output",
        "description": "Darlington channel 7 open-collector output rated 500 mA and 50 V collector-emitter."
      },
      {
        "number": "11",
        "name": "6C",
        "type": "output",
        "description": "Darlington channel 6 open-collector output rated 500 mA and 50 V collector-emitter."
      },
      {
        "number": "12",
        "name": "5C",
        "type": "output",
        "description": "Darlington channel 5 open-collector output rated 500 mA and 50 V collector-emitter."
      },
      {
        "number": "13",
        "name": "4C",
        "type": "output",
        "description": "Darlington channel 4 open-collector output rated 500 mA and 50 V collector-emitter."
      },
      {
        "number": "14",
        "name": "3C",
        "type": "output",
        "description": "Darlington channel 3 open-collector output rated 500 mA and 50 V collector-emitter."
      },
      {
        "number": "15",
        "name": "2C",
        "type": "output",
        "description": "Darlington channel 2 open-collector output rated 500 mA and 50 V collector-emitter."
      },
      {
        "number": "16",
        "name": "1C",
        "type": "output",
        "description": "Darlington channel 1 open-collector output rated 500 mA and 50 V collector-emitter."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for outputs (open-collector Darlington) and COM (clamp diode common cathode) are interpret",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 14,
        "cost_usd": 0.315,
        "at": "2026-10-12T22:22:52"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756304587928420352",
        "pages": 14,
        "sha256": "a3310c4af7adb209",
        "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": "uln2004m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "uln2004m-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": "1035fa442d051040182c9e06c5ae6533613dcaf3f43c0aecefb6dda9fa6175ba",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}