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1N4148WS-E3-08

Public Made by Adom

by adom

Vishay Intertech Switching Diodes, SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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1N4148WS-E3-08

Vishay Intertech · Switching Diodes · SOD-323

1N4148WS-E3-08 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, identified by the bar marking on the package; the diode blocks up to VR = 75 V (VRRM = 100 V) when this pin is positive relative to the anode.
2 A passive Anode of the single small-signal fast switching diode, rated for IF(AV) = 150 mA average and IFSM = 350 mA surge (t < 1 s).

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 Tamb = 25 °C 1
Repetitive peak reverse voltage VRRM 100 V Tamb = 25 °C 1
Average rectified current IF(AV) 150 mA half wave rectification with resistive load, f ≥ 50 Hz 1
Surge forward current IFSM 350 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
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-E3-08
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: 1n4148ws-e3-08-etched.step / 1n4148ws-e3-08-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1n4148ws-e3-08.step / 1n4148ws-e3-08.glb are the bare package body.

Provenance

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

  • Datasheet: Vishay Intertech datasheet (5 pp, sha256 5cf043992c46b399, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-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