ULQ2003AQDRQ1

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  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Darlington Transistor Arrays, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "ULQ2003AQDRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Transistors/Thyristors",
    "subcategory": "Darlington Transistor Arrays",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ulq2003a-q1",
    "parts": {
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    "distributor_links": {
      "lcsc": "C74608"
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    "pins": [
      {
        "number": "1",
        "name": "1B",
        "type": "input",
        "description": "Channel 1 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage)."
      },
      {
        "number": "2",
        "name": "2B",
        "type": "input",
        "description": "Channel 2 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage)."
      },
      {
        "number": "3",
        "name": "3B",
        "type": "input",
        "description": "Channel 3 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage)."
      },
      {
        "number": "4",
        "name": "4B",
        "type": "input",
        "description": "Channel 4 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage)."
      },
      {
        "number": "5",
        "name": "5B",
        "type": "input",
        "description": "Channel 5 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage)."
      },
      {
        "number": "6",
        "name": "6B",
        "type": "input",
        "description": "Channel 6 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage)."
      },
      {
        "number": "7",
        "name": "7B",
        "type": "input",
        "description": "Channel 7 Darlington base input; accepts TTL/CMOS logic signals (2.7-3 V on-state voltage)."
      },
      {
        "number": "8",
        "name": "E",
        "type": "power_in",
        "description": "Common emitter terminal for all 7 channels; ground reference shared by all Darlington pairs (typically tied to ground)."
      },
      {
        "number": "9",
        "name": "COM",
        "type": "power_in",
        "description": "Common cathode node for internal flyback diodes; typically connected to the supply voltage for inductive load suppression."
      },
      {
        "number": "10",
        "name": "7C",
        "type": "output",
        "description": "Channel 7 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage."
      },
      {
        "number": "11",
        "name": "6C",
        "type": "output",
        "description": "Channel 6 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage."
      },
      {
        "number": "12",
        "name": "5C",
        "type": "output",
        "description": "Channel 5 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage."
      },
      {
        "number": "13",
        "name": "4C",
        "type": "output",
        "description": "Channel 4 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage."
      },
      {
        "number": "14",
        "name": "3C",
        "type": "output",
        "description": "Channel 3 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage."
      },
      {
        "number": "15",
        "name": "2C",
        "type": "output",
        "description": "Channel 2 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage."
      },
      {
        "number": "16",
        "name": "1C",
        "type": "output",
        "description": "Channel 1 Darlington collector output; maximum 500 mA continuous per channel, maximum 50 V collector-emitter voltage."
      }
    ],
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        "guard_notes": [],
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        "cost_usd": 0.2453,
        "at": "2026-09-18T04:46:35"
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        "pages": 30,
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        "source_tier": "lcsc"
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      "pins": {
        "total": 16,
        "described": 16,
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        "refuses_to_fabricate": true
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