BAT54S

{
  "schema_version": 1,
  "type": "component",
  "slug": "bat54s",
  "title": "BAT54S",
  "brief": "Diodes Inc series dual Schottky, SOT-23. 30 V, 200 mA, low VF. Two diodes sharing a common node. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "diode",
    "schottky",
    "dual",
    "series",
    "sot-23",
    "diodes-inc"
  ],
  "component": {
    "mpn": "BAT54S",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Diode",
    "subcategory": "Schottky diode (series pair)",
    "datasheet": "https://www.diodes.com/assets/Datasheets/ds11005.pdf",
    "parts": {
      "symbol": "bat54s.kicad_sym",
      "footprint": "bat54s.kicad_mod",
      "model_3d": "bat54s-etched.glb",
      "model_3d_plain": "bat54s.glb",
      "lbr": "bat54s.lbr",
      "model_3d_step": "bat54s-etched.step",
      "model_3d_step_plain": "bat54s.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "passive",
        "description": "Anode of diode D1. Forward-biased current flows from pin 1 (A1) through D1 to pin 3 (K1/A2, the internal series node)."
      },
      {
        "number": "2",
        "name": "K2",
        "type": "passive",
        "description": "Cathode of diode D2. Forward current from pin 3 (K1/A2 series node) exits through D2 to pin 2."
      },
      {
        "number": "3",
        "name": "K1_A2",
        "type": "passive",
        "description": "Series junction node: cathode of D1 connected internally to anode of D2. This is the shared middle pin of the BAT54S series-diode configuration."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/ds11005.pdf",
        "pages": 5,
        "sha256": "50b04e4e17bcf5db",
        "source_tier": "mfr"
      },
      "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": "bat54s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bat54s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9d4df997d0806cf05e1d66096c7844c11225d745d3c100eb6f5255c4fde2211a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Series dual Schottky diode",
      "Configuration": "2 diodes in series (common node = pin 3)",
      "Reverse voltage (VRRM)": "30 V",
      "Forward current (IF)": "200 mA",
      "Forward voltage (VF)": "~0.32 V at 10 mA",
      "Recovery": "fast (Schottky)",
      "Pinout": "1=A1, 2=K2, 3=common (K1/A2)",
      "Package": "SOT-23"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bat54s",
    "dual schottky",
    "series schottky diode",
    "sot-23 schottky",
    "steering diode"
  ],
  "discovery_pitch": "BAT54S series dual Schottky diode (SOT-23, 30 V) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "bat54s.kicad_sym",
    "bat54s.kicad_mod",
    "bat54s.glb",
    "bat54s.lbr",
    "docs/hero.png",
    "docs/bat54s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bat54s-etched.step"
  ]
}