UCLAMP0504A

{
  "slug": "uclamp0504a",
  "version": "0.1.0",
  "type": "component",
  "description": "Leiditech ESD And Surge Protection (TVS/ESD), SOT-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "uclamp0504a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "uclamp0504a.kicad_sym",
    "uclamp0504a.kicad_mod",
    "uclamp0504a.glb",
    "uclamp0504a.step",
    "uclamp0504a.lbr",
    "docs/hero.png",
    "docs/uclamp0504a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "uclamp0504a-hero.glb",
    "uclamp0504a-hero.overlay.json",
    "uclamp0504a-etched.glb"
  ],
  "component": {
    "mpn": "UCLAMP0504A",
    "manufacturer": "Leiditech",
    "package": "SOT-25",
    "pin_count": 5,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589835393580228608",
    "parts": {
      "symbol": "uclamp0504a.kicad_sym",
      "footprint": "uclamp0504a.kicad_mod",
      "model_3d": "uclamp0504a-hero.glb",
      "model_3d_plain": "uclamp0504a-etched.glb",
      "model_3d_step": "uclamp0504a-etched.step",
      "model_3d_step_plain": "uclamp0504a.step",
      "lbr": "uclamp0504a.lbr"
    },
    "distributor_links": {
      "lcsc": "C2972529"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:25:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IO1",
        "type": "passive",
        "description": "Protected line pin, lower-left diode of the array, tied through the diode to the common node at pin 2; 5V operating voltage (VRWM), ESD ±15kV air / ±8kV contact per IEC 61000-4-2."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common center node of the diode array that the diodes of pins 1, 3, 4 and 5 connect to; the datasheet pin drawing shows it without a printed name, so this is the reference/ground connection."
      },
      {
        "number": "3",
        "name": "IO2",
        "type": "passive",
        "description": "Protected line pin, lower-right diode of the array, tied through the diode to the common node at pin 2; 5V operating voltage (VRWM), ESD ±15kV air / ±8kV contact per IEC 61000-4-2."
      },
      {
        "number": "4",
        "name": "IO3",
        "type": "passive",
        "description": "Protected line pin, upper-right diode of the array, tied through the diode to the common node at pin 2; 5V operating voltage (VRWM), ESD ±15kV air / ±8kV contact per IEC 61000-4-2."
      },
      {
        "number": "5",
        "name": "IO4",
        "type": "passive",
        "description": "Protected line pin, upper-left diode of the array, tied through the diode to the common node at pin 2; 5V operating voltage (VRWM), ESD ±15kV air / ±8kV contact per IEC 61000-4-2."
      }
    ],
    "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: The datasheet pin configuration drawing shows only pin numbers and diode symbols with no printed pin",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.1439,
        "at": "2026-10-18T14:25:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589835393580228608",
        "pages": 3,
        "sha256": "bf4b39d62f1e7bc2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "uclamp0504a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "uclamp0504a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3344f483708f00f737f7b9ff9941f7c5ffc04ce0a278782b985da13b32b5e6b7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}