P4SMA22CA
Public Made by Adomby adom
Littelfuse ESD And Surge Protection (TVS/ESD), SMA(DO-214AC). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
| Name | Last updated |
|---|---|
| docs | 14d ago |
| viewers | 4d ago |
| p4sma22ca-etched.glb | 14d ago |
| p4sma22ca-etched.step | 14d ago |
| p4sma22ca-hero.glb | 14d ago |
| p4sma22ca-hero.overlay.json | 14d ago |
| p4sma22ca.glb | 14d ago |
| p4sma22ca.kicad_mod | 14d ago |
| p4sma22ca.kicad_sym | 4d ago |
| p4sma22ca.lbr | 4d ago |
| p4sma22ca.step | 14d ago |
| package.json | 14d ago |
| page.json | 14d ago |
| README.md | 14d ago |
P4SMA22CA
Littelfuse · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)
P4SMA22CA from Littelfuse, in a SMA(DO-214AC). 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 | Littelfuse |
| Package | SMA(DO-214AC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage VBR min | VBR | 20.9 | V | @ IT 1 mA | 2 | ||
| Breakdown Voltage VBR max | VBR | 23.1 | V | @ IT 1 mA | 2 | ||
| Maximum Clamping Voltage | VC | 30.6 | V | @ Ipp 13.4 A | 2 | ||
| Maximum Peak Pulse Current | Ipp | 13.4 | A | 2 | |||
| Maximum Reverse Leakage Current | IR | 1 | µA | @ VR 18.80 V | 2 | ||
| Reverse Stand-off Voltage | VR | 18.8 | V | 2 | |||
| Maximum Temperature Coefficient of VBR | 0.088 | %/C | 2 | ||||
| Peak Pulse Power Dissipation | PPPM | 400 | W | 10/1000us waveform at TA=25°C, single die | 1 | ||
| Power Dissipation on Infinite Heat Sink | PD | 3.3 | W | at TL=50°C | 1 | ||
| Operating Temperature Range | TJ | -65 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -65 | 175 | °C | 1 | ||
| Temperature Coefficient of VBR (αT) | αT | 0.1 | % | typical value, VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)) | 1 | ||
| Typical Thermal Resistance Junction to Lead | RθJL | 30 | °C/W | 1 | |||
| Typical Thermal Resistance Junction to Ambient | RθJA | 120 | °C/W | 1 |
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 | tin | • Matte tin lead-free Plated • Halogen-free and RoHS | 1 |
CAD (KiCad official)
- Symbol:
P4SMA22CA - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
p4sma22ca-etched.step/p4sma22ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p4sma22ca.step/p4sma22ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
52be5822237f1b93, retrieved 2026-10-26, 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).