ESDAXLC18-1BF4

{
  "schema_version": 1,
  "type": "component",
  "slug": "esdaxlc18-1bf4",
  "title": "ESDAXLC18-1BF4",
  "brief": "STMicroelectronics ESD And Surge Protection (TVS/ESD), 0201. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "circuit protection",
    "esdaxlc18-1bf4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ESDAXLC18-1BF4",
    "manufacturer": "STMicroelectronics",
    "package": "0201",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589794851878572032",
    "parts": {
      "symbol": "esdaxlc18-1bf4.kicad_sym",
      "footprint": "esdaxlc18-1bf4.kicad_mod",
      "model_3d": "esdaxlc18-1bf4-hero.glb",
      "model_3d_plain": "esdaxlc18-1bf4.glb",
      "model_3d_step": "esdaxlc18-1bf4-etched.step",
      "model_3d_step_plain": "esdaxlc18-1bf4.step",
      "lbr": "esdaxlc18-1bf4.lbr"
    },
    "distributor_links": {
      "lcsc": "C1982627",
      "digikey": "497-19273-2-ND",
      "mouser": "511-ESDAXLC18-1BF4"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:00:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-19273-2-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "511-ESDAXLC18-1BF4",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Pin1",
        "type": "passive",
        "description": "Bidirectional TVS line terminal, marked with the pin 1 bar; leakage specified pin 1 to pin 2 at VRM = 18 V (<1 typ, 30 nA max), line capacitance 0.3/0.45/0.6 pF at 0 V, 1 MHz."
      },
      {
        "number": "2",
        "name": "Pin2",
        "type": "passive",
        "description": "Second bidirectional TVS terminal, interchangeable with pin 1, protecting the RF/NFC line to ±10 kV contact and ±30 kV air IEC 61000-4-2 discharge."
      }
    ],
    "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: Datasheet gives only Pin1/Pin2 labels; no pin names. Symmetric bidirectional diode, so passive type ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 10,
        "cost_usd": 0.1337,
        "at": "2026-10-08T19:59:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589794851878572032",
        "pages": 10,
        "sha256": "adae2ebf02727b4d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "esdaxlc18-1bf4.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          0.62,
          0.32,
          0.3
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "be91ec7052a21b347b07893241d77cb9324853f681314b4251ced2122f82a6a7",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esdaxlc18-1bf4-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          0.62,
          0.32,
          0.3
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5dbb2d2235eed56d0454db662364000e367d972c492ba0a7383808a09b940794",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "0201",
      "Category": "Circuit Protection",
      "Pins": "2"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "esdaxlc18-1bf4"
  ],
  "discovery_pitch": "ESDAXLC18-1BF4 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esdaxlc18-1bf4.kicad_sym",
    "esdaxlc18-1bf4.kicad_mod",
    "esdaxlc18-1bf4.glb",
    "esdaxlc18-1bf4.step",
    "esdaxlc18-1bf4.lbr",
    "docs/hero.png",
    "docs/esdaxlc18-1bf4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esdaxlc18-1bf4-hero.glb",
    "esdaxlc18-1bf4-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}