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1N4148WS-E3-18

Public Made by Adom

by adom

Vishay Intertech Switching Diodes, SOD-323. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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1N4148WS-E3-18

Vishay Intertech · Switching Diodes · SOD-323

1N4148WS-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
Reverse voltage VR 75 V 1
Repetitive peak reverse voltage VRRM 100 V 1
Average rectified current, half wave rectification with resistive load IF(AV) 150 mA f ≥ 50 Hz 1
Surge forward current IFSM 350 mA t < 1 s and Tj = 25 °C 1
Power dissipation Ptot 200 mW 1
Thermal resistance junction to ambient air RthJA 650 K/W 1
Junction temperature Tj 150 °C 1
Storage temperature range Tstg -65 150 °C 1
Operating temperature range Top -55 150 °C 1
Forward voltage VF 1 V IF = 10 mA 2
Forward voltage VF 1.2 V IF = 100 mA 2
Leakage current IR 25 nA VR = 20 V 2
Leakage current IR 5 μA VR = 75 V 2
Leakage current IR 100 μA VR = 100 V 2
Leakage current IR 50 μA VR = 20 V, Tj = 150 °C 2
Diode capacitance CD 4 pF VF = VR = 0 V 2
Voltage rise when switching ON Vfr 2.5 V Tested with 50 mA pulses, tp = 0.1 μs, rise time < 30 ns, fp = (5 to 100) kHz 2
Reverse recovery time trr 4 ns IF = 10 mA, iR = 1 mA, VR = 6 V, RL = 100 Ω 2

CAD (KiCad official)

  • Symbol: 1N4148WS-E3-18
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: 1n4148ws-e3-18-etched.step / 1n4148ws-e3-18-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1n4148ws-e3-18.step / 1n4148ws-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 d50077fb95ddc008, 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