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Contents

README

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1N4151WS-E3-18

Vishay Intertech · Switching Diodes · SOD-323

1N4151WS-E3-18 from Vishay Intertech, in a SOD-323. 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 banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer Vishay Intertech
Package SOD-323
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
Forward voltage VF 1 V IF = 50 mA 2
Leakage current IR 50 nA VR = 50 V 2
Leakage current IR 50 μA VR = 20 V, Tj = 150 °C 2
Reverse breakdown voltage V(BR) 75 V IR = 5 µA (pulsed) 2
Capacitance CD 2 pF VF = VR = 0 V 2
Reverse recovery time trr 4 ns IF = 10 mA, IR = 10 mA, iR = 1 mA 2
Reverse recovery time trr 2 ns IF = 10 mA, iR = 1 mA, VR = 6 V, RL = 100 Ω 2
Reverse voltage VR 50 V Tamb = 25 °C 1
Repetitive peak reverse voltage VRRM 75 V Tamb = 25 °C 1
Average rectified current IF(AV) 150 mA half wave rectification with resistive load, f ≥ 50 Hz 1
Surge current IFSM 500 mA t < 1 s and Tj = 25 °C 1
Power dissipation Ptot 200 mW Tamb = 25 °C 1
Thermal resistance junction to ambient air RthJA 650 K/W Tamb = 25 °C 1
Junction temperature Tj 150 °C 1
Storage temperature range Tstg -65 150 °C 1
Operating temperature range Top -55 150 °C 1

CAD (KiCad official)

  • Symbol: 1N4151WS-E3-18
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: 1n4151ws-e3-18-etched.step / 1n4151ws-e3-18-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1n4151ws-e3-18.step / 1n4151ws-e3-18.glb are the bare package body.

Provenance

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

  • Datasheet: Vishay Intertech datasheet (5 pp, sha256 0a961a18148010d1, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (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