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BAT54S-HE3-18

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Vishay Intertech Schottky Barrier Diodes (SBD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BAT54S-HE3-18

Vishay Intertech · Schottky Barrier Diodes (SBD) · SOT-23

BAT54S-HE3-18 from Vishay Intertech, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 A1 passive Anode of the first Schottky diode in the dual serial (BAT54S) configuration, with a repetitive peak reverse voltage of 30 V and 200 mA forward continuous current.
2 K2 passive Cathode of the second Schottky diode in the dual serial (BAT54S) configuration, with a repetitive peak reverse voltage of 30 V and 200 mA forward continuous current.
3 K1/A2 passive Common midpoint joining the cathode of the first diode and the anode of the second diode in the series (BAT54S) configuration.

Key specifications

Parameter Value
Manufacturer Vishay Intertech
Package SOT-23
Category Diodes
Pins 3

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts Copper Copper leads 0.3 mm (0.012") 2

CAD (KiCad official)

  • Symbol: BAT54S-HE3-18
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bat54s-he3-18-etched.step / bat54s-he3-18-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bat54s-he3-18.step / bat54s-he3-18.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Vishay Intertech datasheet (4 pp, sha256 39243eb76b061569, retrieved 2026-11-02, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF