BAT54T

{
  "slug": "bat54t",
  "version": "0.1.0",
  "type": "component",
  "description": "Tak Cheong Schottky Diodes, SOT-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "bat54t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bat54t.kicad_sym",
    "bat54t.kicad_mod",
    "bat54t.glb",
    "bat54t.step",
    "bat54t.lbr",
    "docs/hero.png",
    "docs/bat54t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bat54t-hero.glb",
    "bat54t-hero.overlay.json",
    "bat54t-etched.glb"
  ],
  "component": {
    "mpn": "BAT54T",
    "manufacturer": "Tak Cheong",
    "package": "SOT-523",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Schottky Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590227017045483520",
    "parts": {
      "symbol": "bat54t.kicad_sym",
      "footprint": "bat54t.kicad_mod",
      "model_3d": "bat54t-hero.glb",
      "model_3d_plain": "bat54t-etched.glb",
      "model_3d_step": "bat54t-etched.step",
      "model_3d_step_plain": "bat54t.step",
      "lbr": "bat54t.lbr"
    },
    "distributor_links": {
      "lcsc": "C968065",
      "mouser": "821-BAT54T"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:04:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "821-BAT54T",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode of the single Schottky diode (BAT54T, marking L1); reverse voltage 30 V max and average rectified output current 200 mA."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally in BAT54T; the symbol shows no diode on pin 2 (pin 2 is used only in the BAT54ST dual version)."
      },
      {
        "number": "3",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the single Schottky diode (BAT54T, marking L1); reverse voltage 30 V max and average rectified output current 200 mA."
      }
    ],
    "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 text gives no pin names or functions. Anode and cathode are inferred from the diode symbol on pa",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.179,
        "at": "2026-10-18T01:00:54"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590227017045483520",
        "pages": 4,
        "sha256": "60049cca62a18db3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bat54t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.5,
          1.6,
          0.8
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a508ae20f68a85fff3d46acbfc4417c05d10095ca5e6fde559f2e9655ec30370",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bat54t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.5,
          1.6,
          0.8
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e29630b97df377a498b42990745f9cbc86a3df00957038e9f3f2edcbf7a61be2",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}