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BAT54A-E3-08

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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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BAT54A-E3-08

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

BAT54A-E3-08 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 K1 passive Cathode of the first Schottky diode (BAT54A common-anode configuration); diode rated VRRM 30 V, IF 200 mA continuous.
2 K2 passive Cathode of the second Schottky diode (BAT54A common-anode configuration); diode rated VRRM 30 V, IF 200 mA continuous.
3 A passive Common anode of both Schottky diodes in the BAT54A (marking L42); each diode rated VRRM 30 V, IF 200 mA continuous.

Key specifications

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

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Reverse breakdown voltage V(BR) 30 V IR = 100 μA (pulsed) 2
Leakage current IR 2 μA Pulsed test tp < 300 μs, δ <2 % at VR = 25 V 2
Forward voltage VF 240 mV IF = 0.1 mA, tp < 300 μs, δ < 2 % 2
Forward voltage VF 320 mV IF = 1 mA, tp < 300 μs, δ < 2 % 2
Forward voltage VF 400 mV IF = 10 mA, tp < 300 μs, δ < 2 % 2
Forward voltage VF 500 mV IF = 30 mA, tp < 300 μs, δ < 2 % 2
Forward voltage VF 800 mV IF = 100 mA, tp < 300 μs, δ < 2 % 2
Diode capacitance CD 10 pF VR = 1 V, f = 1 MHz 2
Reverse recovery time trr 5 ns IF = 10 mA to IR = 10 mA, iR = 1 mA, RL = 100 Ω 2
Repetitive peak reverse voltage VRRM 30 V Tamb = 25 °C 1
Forward continuous current IF 200 mA Device on fiberglass substrate, Tamb = 25 °C 1
Repetitive peak forward current IFRM 300 mA Device on fiberglass substrate, Tamb = 25 °C 1
Surge forward current IFSM 600 mA tp < 1 s, Tamb = 25 °C 1
Power dissipation Ptot 230 mW Tamb = 25 °C 1
Thermal resistance junction to ambient air RthJA 430 K/W Device on fiberglass substrate, see layout 1
Junction temperature Tj 125 °C Tamb = 25 °C 1
Storage temperature range Tstg -65 150 °C 1
Operating temperature range Top -55 125 °C 1

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: BAT54A-E3-08
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bat54a-e3-08-etched.step / bat54a-e3-08-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bat54a-e3-08.step / bat54a-e3-08.glb are the bare package body.

Provenance

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

  • Datasheet: Vishay Intertech datasheet (4 pp, sha256 dd7fdb1257836d11, retrieved 2026-10-23, 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