component
1N4151WS-E3-18
Public Made by Adomby 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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown1N4151WS-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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1n4151ws-e3-18.step/1n4151ws-e3-18.glbare 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, primarycathode-band convention(convention), consensusoff(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).