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Ray Publish 0.1.0 e39e869 9d ago

BAT43W-E3-08

Vishay Intertech · Schottky Diodes · SOD-123

BAT43W-E3-08 from Vishay Intertech, in a SOD-123. 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 K passive Cathode, the terminal marked by the cathode bar on the SOD-123 body; repetitive peak reverse voltage is 30 V.
2 A passive Anode, the terminal opposite the cathode bar; forward continuous current is 200 mA maximum.

Key specifications

Parameter Value
Manufacturer Vishay Intertech
Package SOD-123
Category Diodes
Pins 2

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Repetitive peak reverse voltage VRRM 30 V 1
Forward continuous current IF 200 mA 1
Repetitive peak forward current IFRM 500 mA tp < 1 s 1
Surge forward current IFSM 4 A tp < 10 ms 1
Power dissipation Ptot 200 mW Tamb = 65 °C 1
Thermal resistance junction to ambient air RthJA 300 K/W 1
Junction temperature Tj 125 °C 1
Operating temperature range Top -55 125 °C 1
Storage temperature range Tstg -55 150 °C 1
Reverse breakdown voltage V(BR) 30 V IR = 100 μA (pulsed) 2
Leakage current IR 0.5 μA VR = 25 V 2
Leakage current IR 100 μA VR = 25 V, Tj = 100 °C 2
Forward voltage VF 260 330 mV IF = 2 mA BAT43W 2
Forward voltage VF 450 mV IF = 15 mA BAT43W 2
Forward voltage VF 1000 mV IF = 200 mA 2
Reverse recovery time trr 5 ns IF = 10 mA, IR = 10 mA, iR = 1 mA, RL = 100 2

CAD (KiCad official)

  • Symbol: BAT43W-E3-08
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bat43w-e3-08-etched.step / bat43w-e3-08-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bat43w-e3-08.step / bat43w-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 233dcfa267f3c654, retrieved 2026-10-18, tier: lcsc)
  • 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