component
SF18WS
Public Made by Adomby adom
MDD Microdiode Semiconductor Fast Recovery / High Efficiency 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.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 3d ago |
| viewers | 3d ago |
| package.json | 3d ago |
| page.json | 3d ago |
| README.md | 3d ago |
| sf18ws-etched.glb | 3d ago |
| sf18ws-etched.step | 3d ago |
| sf18ws-hero.glb | 3d ago |
| sf18ws-hero.overlay.json | 3d ago |
| sf18ws.glb | 3d ago |
| sf18ws.kicad_mod | 3d ago |
| sf18ws.kicad_sym | 3d ago |
| sf18ws.lbr | 3d ago |
| sf18ws.step | 3d ago |
SF18WS
MDD Microdiode Semiconductor · Fast Recovery / High Efficiency Diodes · SOD-323
SF18WS from MDD Microdiode Semiconductor, 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 | MDD Microdiode Semiconductor |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum repetitive peak reverse voltage | VRMM | 600 | V | 1 | |||
| Maximum RMS voltage | VRMS | 420 | V | 1 | |||
| Maximum DC blocking voltage | VDC | 600 | V | 1 | |||
| Maximum average forward rectified current | IF(AV) | 0.5 | A | Tc = 125 °C | 1 | ||
| Peak forward surge current | IFSM | 15 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) | 1 | ||
| Maximum DC reverse current | IR | 5 | uA | TA=25℃, at rated DC blocking voltage | 1 | ||
| Maximum DC reverse current | IR | 100 | uA | TA=125℃, at rated DC blocking voltage | 1 | ||
| Operating junction temperature range | TJ | -55 | 150 | ℃ | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | ℃ | 1 | ||
| Typical junction capacitance | CJ | 15 | pF | 1.0MHz, applied reverse voltage 4.0V D.C. | 1 | ||
| Typical reverse recovery time | Trr | 35 | ns | IF=0.5A, IR=1A, Irr=0.25A | 1 |
CAD (KiCad official)
- Symbol:
SF18WS - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
sf18ws-etched.step/sf18ws-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sf18ws.step/sf18ws.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MDD Microdiode Semiconductor datasheet (3 pp, sha256
be25dd9d19fa7448, 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).