XL2803CD

{
  "slug": "xl2803cd",
  "version": "0.1.0",
  "type": "component",
  "description": "XINLUDA Darlington Transistor Arrays, SOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "xl2803cd",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "xl2803cd.kicad_sym",
    "xl2803cd.kicad_mod",
    "xl2803cd.glb",
    "xl2803cd.step",
    "xl2803cd.lbr",
    "docs/hero.png",
    "docs/xl2803cd-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xl2803cd-hero.glb",
    "xl2803cd-hero.overlay.json",
    "xl2803cd-etched.glb"
  ],
  "component": {
    "mpn": "XL2803CD",
    "manufacturer": "XINLUDA",
    "package": "SOP-20",
    "pin_count": 20,
    "category": "Transistors/Thyristors",
    "subcategory": "Darlington Transistor Arrays",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603345682942349312",
    "parts": {
      "symbol": "xl2803cd.kicad_sym",
      "footprint": "xl2803cd.kicad_mod",
      "model_3d": "xl2803cd-hero.glb",
      "model_3d_plain": "xl2803cd-etched.glb",
      "model_3d_step": "xl2803cd-etched.step",
      "model_3d_step_plain": "xl2803cd.step",
      "lbr": "xl2803cd.lbr"
    },
    "distributor_links": {
      "lcsc": "C22397807"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:51:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1B",
        "type": "input",
        "description": "Channel 1 Darlington base input, driven through the built-in 2.7-kΩ series base resistor for direct operation with TTL or 5-V CMOS logic."
      },
      {
        "number": "2",
        "name": "2B",
        "type": "input",
        "description": "Channel 2 Darlington base input, driven through the built-in 2.7-kΩ series base resistor for direct operation with TTL or 5-V CMOS logic."
      },
      {
        "number": "3",
        "name": "3B",
        "type": "input",
        "description": "Channel 3 Darlington base input, driven through the built-in 2.7-kΩ series base resistor for direct operation with TTL or 5-V CMOS logic."
      },
      {
        "number": "4",
        "name": "4B",
        "type": "input",
        "description": "Channel 4 Darlington base input, driven through the built-in 2.7-kΩ series base resistor for direct operation with TTL or 5-V CMOS logic."
      },
      {
        "number": "5",
        "name": "5B",
        "type": "input",
        "description": "Channel 5 Darlington base input, driven through the built-in 2.7-kΩ series base resistor for direct operation with TTL or 5-V CMOS logic."
      },
      {
        "number": "6",
        "name": "6B",
        "type": "input",
        "description": "Channel 6 Darlington base input, driven through the built-in 2.7-kΩ series base resistor for direct operation with TTL or 5-V CMOS logic."
      },
      {
        "number": "7",
        "name": "7B",
        "type": "input",
        "description": "Channel 7 Darlington base input, driven through the built-in 2.7-kΩ series base resistor for direct operation with TTL or 5-V CMOS logic."
      },
      {
        "number": "8",
        "name": "8B",
        "type": "input",
        "description": "Channel 8 Darlington base input, driven through the built-in 2.7-kΩ series base resistor for direct operation with TTL or 5-V CMOS logic."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Common emitter shared by all eight Darlington channels, typically tied to ground."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin."
      },
      {
        "number": "12",
        "name": "COM",
        "type": "bidirectional",
        "description": "Common cathode node for the flyback clamp diodes, required for inductive loads and typically tied to the coil supply; outputs should not heavily exceed the COM voltage."
      },
      {
        "number": "13",
        "name": "8C",
        "type": "output",
        "description": "Channel 8 Darlington collector output, rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "14",
        "name": "7C",
        "type": "output",
        "description": "Channel 7 Darlington collector output, rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "15",
        "name": "6C",
        "type": "output",
        "description": "Channel 6 Darlington collector output, rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "16",
        "name": "5C",
        "type": "output",
        "description": "Channel 5 Darlington collector output, rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "17",
        "name": "4C",
        "type": "output",
        "description": "Channel 4 Darlington collector output, rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "18",
        "name": "3C",
        "type": "output",
        "description": "Channel 3 Darlington collector output, rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "19",
        "name": "2C",
        "type": "output",
        "description": "Channel 2 Darlington collector output, rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "20",
        "name": "1C",
        "type": "output",
        "description": "Channel 1 Darlington collector output, rated for 50 V collector-emitter voltage and 500 mA collector current."
      }
    ],
    "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's only ordering entry is XL2803CD in SOP20 (T&R, 1000 pcs), so the SOP20 pinout applie; Table 5-1 lists COM as type I/O; it was mapped to KiCad 'bidirectional'. The datasheet does not defi"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0448,
        "at": "2026-10-17T23:48:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603345682942349312",
        "pages": 14,
        "sha256": "50747eab48817fbe",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "xl2803cd.step",
        "role": "plain",
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        "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": "d84c1eeaad1c24afbad8cd4800664e45ac3155128d045a6934c1937f8add0a77",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xl2803cd-etched.step",
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        "sha256": "1f97487acb4e1055385ec285f9b8aa8bb621429b67c931dcfc487c71d91087f4",
        "checked": "2026-10-17",
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      }
    ]
  }
}