P4SMA68CA
Public Made by Adomby adom
Littelfuse ESD And Surge Protection (TVS/ESD), DO-214AC(SMA). 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 |
| p4sma68ca-etched.glb | 14d ago |
| p4sma68ca-etched.step | 14d ago |
| p4sma68ca-hero.glb | 14d ago |
| p4sma68ca-hero.overlay.json | 14d ago |
| p4sma68ca.glb | 14d ago |
| p4sma68ca.kicad_mod | 14d ago |
| p4sma68ca.kicad_sym | 4d ago |
| p4sma68ca.lbr | 4d ago |
| p4sma68ca.step | 14d ago |
| package.json | 14d ago |
| page.json | 14d ago |
| README.md | 14d ago |
P4SMA68CA
Littelfuse · ESD And Surge Protection (TVS/ESD) · DO-214AC(SMA)
P4SMA68CA from Littelfuse, in a DO-214AC(SMA). 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 | DO-214AC(SMA) |
| 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 | 64.6 | 71.4 | V | @ IT 1 mA | 2 | |
| Maximum clamping voltage | VC | 92 | V | @ Ipp 4.5 A | 2 | ||
| Maximum peak pulse current | Ipp | 4.5 | A | 2 | |||
| Maximum reverse leakage | IR | 1 | µA | @ VR 58.10 V | 2 | ||
| VBR voltage tolerance (bi-directional CA suffix) | -5 | 5 | % | 6 | |||
| Reverse stand-off voltage | VR | 58.1 | V | 2 | |||
| Maximum temperature coefficient of VBR | 0.103 | %/C | 2 | ||||
| Peak pulse power dissipation (single die), 10/1000µs waveform | PPPM | 400 | W | TA=25°C, 10/1000us waveform, single die parts | 1 | ||
| Peak forward surge current, 8.3 ms single half sine wave | IFSM | 60 | A | 8.3ms single half sine wave (unidirectional device only) | 1 | ||
| Power dissipation on infinite heat sink | PD | 3.3 | W | TL=50°C | 1 | ||
| Operating temperature range | TJ | -65 | 150 | °C | 1 | ||
| Storage temperature range | TSTG | -65 | 175 | °C | 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:
P4SMA68CA - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
p4sma68ca-etched.step/p4sma68ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p4sma68ca.step/p4sma68ca.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).