ESDU5V0K4

{
  "slug": "esdu5v0k4",
  "version": "0.1.0",
  "type": "component",
  "description": "UMW ESD And Surge Protection (TVS/ESD), SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "esdu5v0k4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esdu5v0k4.kicad_sym",
    "esdu5v0k4.kicad_mod",
    "esdu5v0k4.glb",
    "esdu5v0k4.step",
    "esdu5v0k4.lbr",
    "docs/hero.png",
    "docs/esdu5v0k4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esdu5v0k4-hero.glb",
    "esdu5v0k4-hero.overlay.json",
    "esdu5v0k4-etched.glb"
  ],
  "component": {
    "mpn": "ESDU5V0K4",
    "manufacturer": "UMW",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755876837468200960",
    "parts": {
      "symbol": "esdu5v0k4.kicad_sym",
      "footprint": "esdu5v0k4.kicad_mod",
      "model_3d": "esdu5v0k4-hero.glb",
      "model_3d_plain": "esdu5v0k4-etched.glb",
      "model_3d_step": "esdu5v0k4-etched.step",
      "model_3d_step_plain": "esdu5v0k4.step",
      "lbr": "esdu5v0k4.lbr"
    },
    "distributor_links": {
      "lcsc": "C20754809"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T09:11:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I/O1",
        "type": "bidirectional",
        "description": "ESD-protected bidirectional line whose clamp is referenced to GND, with 0.8 pF maximum junction capacitance per channel (I/O to GND)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all ESD clamps; per-channel reverse stand-off, breakdown and clamping limits are specified to GND."
      },
      {
        "number": "3",
        "name": "I/O3",
        "type": "bidirectional",
        "description": "ESD-protected bidirectional line whose clamp is referenced to GND, with 0.8 pF maximum junction capacitance per channel (I/O to GND)."
      },
      {
        "number": "4",
        "name": "I/O4",
        "type": "bidirectional",
        "description": "ESD-protected bidirectional line whose clamp is referenced to GND, with 0.8 pF maximum junction capacitance per channel (I/O to GND)."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply-side pin with its own ESD clamp; the datasheet gives reverse stand-off of 5 V (VRWM) for VCC to GND."
      },
      {
        "number": "6",
        "name": "I/O2",
        "type": "bidirectional",
        "description": "ESD-protected bidirectional line whose clamp is referenced to GND, with 0.8 pF maximum junction capacitance per channel (I/O to GND)."
      }
    ],
    "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 pinning diagram (page 1) prints pin 1 as 'I/O' with no channel number. I named it I/O1; The datasheet does not state the function of VCC explicitly. The pin description is based on the ele; The datasheet lists the ESD and peak-pulse ratings in a scrambled table (page 2), so I did not assig"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0344,
        "at": "2026-10-18T09:10:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755876837468200960",
        "pages": 8,
        "sha256": "0cd9ff996be84d16",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "esdu5v0k4.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esdu5v0k4-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d66570b4fb9182d1515e981955c01d1a518dde3eadba149e958faeb49af3f8d0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}