BST363A054U

{
  "slug": "bst363a054u",
  "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",
    "bst363a054u",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bst363a054u.kicad_sym",
    "bst363a054u.kicad_mod",
    "bst363a054u.glb",
    "bst363a054u.step",
    "bst363a054u.lbr",
    "docs/hero.png",
    "docs/bst363a054u-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bst363a054u-hero.glb",
    "bst363a054u-hero.overlay.json"
  ],
  "component": {
    "mpn": "BST363A054U",
    "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/8755876619720368128",
    "parts": {
      "symbol": "bst363a054u.kicad_sym",
      "footprint": "bst363a054u.kicad_mod",
      "model_3d": "bst363a054u-hero.glb",
      "model_3d_plain": "bst363a054u.glb",
      "model_3d_step": "bst363a054u-etched.step",
      "model_3d_step_plain": "bst363a054u.step",
      "lbr": "bst363a054u.lbr"
    },
    "distributor_links": {
      "lcsc": "C19723970"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T18:15:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Protected data/power line that carries the ESD and surge protection, rated to IEC 61000-4-2 ±15kV contact and ±20kV air."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the protection clamps; the datasheet gives the I/O-to-GND capacitance measured at VR=0V, f=1MHz."
      },
      {
        "number": "3",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Protected data/power line that carries the ESD and surge protection, rated to IEC 61000-4-2 ±15kV contact and ±20kV air."
      },
      {
        "number": "4",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Protected data/power line that carries the ESD and surge protection, rated to IEC 61000-4-2 ±15kV contact and ±20kV air."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin of the device; the datasheet specifies a working peak reverse voltage VRWM of 5V for the protected line."
      },
      {
        "number": "6",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Protected data/power line that carries the ESD and surge protection, rated to IEC 61000-4-2 ±15kV contact and ±20kV air."
      }
    ],
    "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 SOT-363 pinning diagram on page 1 is flattened in the text extraction, so the pin-to-label mappi; The datasheet does not state a function for VCC or GND in words, and the 'VCC' pin is not explicitly; The datasheet gives no per-pin electrical limits. The I/O descriptions reuse the general ESD ratings"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0337,
        "at": "2026-10-09T18:13:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755876619720368128",
        "pages": 7,
        "sha256": "1626324228960cf7",
        "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": "bst363a054u.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": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bst363a054u-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": "e26fbbc8d705e57b1b7b49ac9ad4d7f1ea1dbf5c3388928b5da651a12c0d0fc8",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}