component
1N4148WS-HF
Public Made by Adomby adom
Comchip 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
markdown1N4148WS-HF
Comchip · Switching Diodes · SOD-323
1N4148WS-HF from Comchip, 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 | Comchip |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage | VBR | 100 | V | IR = 100µA | 2 | ||
| Reverse leakage current | IR | 25 | nA | VR = 20V | 2 | ||
| Reverse leakage current | IR | 1 | µA | VR = 75V | 2 | ||
| Forward voltage | VF | 0.715 | V | IF = 1.0mA | 2 | ||
| Forward voltage | VF | 0.855 | V | IF = 10mA | 2 | ||
| Forward voltage | VF | 1 | V | IF = 50mA | 2 | ||
| Forward voltage | VF | 1.25 | V | IF = 150mA | 2 | ||
| Reverse recovery time | TRR | 4 | nS | IF = IR = 10mA, RL = 100Ω, Irr = 0.1 x IR | 2 | ||
| Capacitance | CT | 2 | pF | VR = 0V, f = 1 MHz | 2 | ||
| Reverse voltage | VR | 75 | V | 1 | |||
| Peak reverse voltage | VRM | 100 | V | 1 | |||
| Working inverse voltage | WIV | 75 | V | 1 | |||
| Power dissipation | PD | 200 | mW | 1 | |||
| Average rectified current | Io | 150 | mA | 1 | |||
| Non-repetitive peak forward current | IFM | 300 | mA | 1 | |||
| Peak forward surge current | IFSM | 2 | A | tp=1µs, TA=25°C | 1 | ||
| Thermal resistance from junction to ambient | RθJA | 625 | °C/W | Valid provided that electrodes are kept at ambient temperature | 1 | ||
| Operating junction temperature | Tj | 125 | °C | 1 | |||
| Storage temperature range | TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
1N4148WS-HF - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
1n4148ws-hf-etched.step/1n4148ws-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1n4148ws-hf.step/1n4148ws-hf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Comchip datasheet (4 pp, sha256
eba00fdb57b69b1e, 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).