component
SMF22CA-MS
Public Made by Adomby adom
MSKSEMI ESD And Surge Protection (TVS/ESD), SOD-123FL. 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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Contents
README
markdownSMF22CA-MS
MSKSEMI · ESD And Surge Protection (TVS/ESD) · SOD-123FL
SMF22CA-MS from MSKSEMI, in a SOD-123FL. 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 | MSKSEMI |
| Package | SOD-123FL |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Test Current | IT | 1 | mA | VBR test current | 4 | ||
| Reverse Stand-off (Working Peak Reverse) Voltage | VRWM | 22 | V | 4 | |||
| Reverse Leakage Current | IR | 1 | µA | @ VRWM | 4 | ||
| Peak Pulse Current | IPP | 5.6 | A | 10/1000 us waveform | 4 | ||
| Peak Pulse Power Dissipation | PPPM | 200 | W | TA=25°C, 10/1000us waveform | 3 | ||
| Peak Forward Surge Current (UNI) | IFSM | 30 | A | 8.3 ms single half sinewave | 3 | ||
| Steady State Power Dissipation | PM(AV) | 1 | W | lead temperature TL=75°C | 3 | ||
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55 | 150 | °C | 3 | ||
| Typical Thermal Resistance | RθJA | 180 | °C/W | 3 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | 2 . Mounted on 5mm2 copper pads to each terminal | 3 |
CAD (KiCad official)
- Symbol:
SMF22CA-MS - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files:
smf22ca-ms-etched.step/smf22ca-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smf22ca-ms.step/smf22ca-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (7 pp, sha256
f2092efe050ac2a5, 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).