XD2803

{
  "slug": "xd2803",
  "version": "0.1.0",
  "type": "component",
  "description": "XINLUDA Darlington Transistor Arrays, DIP-18. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "xd2803",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xd2803.kicad_sym",
    "xd2803.kicad_mod",
    "xd2803.glb",
    "xd2803.step",
    "xd2803.lbr",
    "docs/hero.png",
    "docs/xd2803-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xd2803-hero.glb",
    "xd2803-hero.overlay.json",
    "xd2803-etched.glb"
  ],
  "component": {
    "mpn": "XD2803",
    "manufacturer": "XINLUDA",
    "package": "DIP-18",
    "pin_count": 18,
    "category": "Transistors/Thyristors",
    "subcategory": "Darlington Transistor Arrays",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588896342789246977",
    "parts": {
      "symbol": "xd2803.kicad_sym",
      "footprint": "xd2803.kicad_mod",
      "model_3d": "xd2803-hero.glb",
      "model_3d_plain": "xd2803-etched.glb",
      "model_3d_step": "xd2803-etched.step",
      "model_3d_step_plain": "xd2803.step",
      "lbr": "xd2803.lbr"
    },
    "distributor_links": {
      "lcsc": "C556256"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:16:19Z",
      "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, with a 2.7 kΩ series base resistor for direct TTL or 5 V CMOS drive; input voltage is limited to 30 V maximum with respect to GND."
      },
      {
        "number": "2",
        "name": "2B",
        "type": "input",
        "description": "Channel 2 Darlington base input, with a 2.7 kΩ series base resistor for direct TTL or 5 V CMOS drive; input voltage is limited to 30 V maximum with respect to GND."
      },
      {
        "number": "3",
        "name": "3B",
        "type": "input",
        "description": "Channel 3 Darlington base input, with a 2.7 kΩ series base resistor for direct TTL or 5 V CMOS drive; input voltage is limited to 30 V maximum with respect to GND."
      },
      {
        "number": "4",
        "name": "4B",
        "type": "input",
        "description": "Channel 4 Darlington base input, with a 2.7 kΩ series base resistor for direct TTL or 5 V CMOS drive; input voltage is limited to 30 V maximum with respect to GND."
      },
      {
        "number": "5",
        "name": "5B",
        "type": "input",
        "description": "Channel 5 Darlington base input, with a 2.7 kΩ series base resistor for direct TTL or 5 V CMOS drive; input voltage is limited to 30 V maximum with respect to GND."
      },
      {
        "number": "6",
        "name": "6B",
        "type": "input",
        "description": "Channel 6 Darlington base input, with a 2.7 kΩ series base resistor for direct TTL or 5 V CMOS drive; input voltage is limited to 30 V maximum with respect to GND."
      },
      {
        "number": "7",
        "name": "7B",
        "type": "input",
        "description": "Channel 7 Darlington base input, with a 2.7 kΩ series base resistor for direct TTL or 5 V CMOS drive; input voltage is limited to 30 V maximum with respect to GND."
      },
      {
        "number": "8",
        "name": "8B",
        "type": "input",
        "description": "Channel 8 Darlington base input, with a 2.7 kΩ series base resistor for direct TTL or 5 V CMOS drive; input voltage is limited to 30 V maximum with respect to GND."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Common emitter shared by all eight channels, typically tied to ground; all voltage ratings are referenced to this terminal."
      },
      {
        "number": "10",
        "name": "COM",
        "type": "bidirectional",
        "description": "Common cathode node of the output clamp (flyback) diodes; tie to the coil supply for inductive loads, and do not let the output voltage heavily exceed the COM voltage."
      },
      {
        "number": "11",
        "name": "8C",
        "type": "output",
        "description": "Channel 8 Darlington collector output (open collector), rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "12",
        "name": "7C",
        "type": "output",
        "description": "Channel 7 Darlington collector output (open collector), rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "13",
        "name": "6C",
        "type": "output",
        "description": "Channel 6 Darlington collector output (open collector), rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "14",
        "name": "5C",
        "type": "output",
        "description": "Channel 5 Darlington collector output (open collector), rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "15",
        "name": "4C",
        "type": "output",
        "description": "Channel 4 Darlington collector output (open collector), rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "16",
        "name": "3C",
        "type": "output",
        "description": "Channel 3 Darlington collector output (open collector), rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "17",
        "name": "2C",
        "type": "output",
        "description": "Channel 2 Darlington collector output (open collector), rated for 50 V collector-emitter voltage and 500 mA collector current."
      },
      {
        "number": "18",
        "name": "1C",
        "type": "output",
        "description": "Channel 1 Darlington collector output (open collector), 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 lists COM as type I/O; I mapped it to KiCad bidirectional. Confirm the ERC class for y; The pin table on page 2 and the layout on page 14 give the same 1-18 numbering, and the ordering tab"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0569,
        "at": "2026-10-18T14:13:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588896342789246977",
        "pages": 16,
        "sha256": "6bb7b51b1b6d93ff",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 18,
        "described": 18,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "xd2803.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          22.86,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9e1ad672f0603e5818e9d0329669eb09ec9fa91bae3fdad8cdfa245e05c3b5f",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xd2803-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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        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "63d24d51267a39d415eea4c63bb92da3cf6c3c638bf1aebe800adaa9414a504e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}