component
P4SMA12CA
Public Made by Adomby adom
MSKSEMI Electrostatic And Surge Protection (TVS/ESD), SMA. Pinout cross-checked by two models against the datasheet, 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
markdownP4SMA12CA
MSKSEMI · Electrostatic And Surge Protection (TVS/ESD) · SMA
P4SMA12CA from MSKSEMI, in a 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 | A1 | passive | Bidirectional TVS terminal with no polarity indicator, interchangeable with the other terminal; VRWM 10.20 V, VBR 11.40~12.60 V at 1 mA, VC 16.7 V at 24.6 A IPP. |
| 2 | A2 | passive | Bidirectional TVS terminal with no polarity indicator, interchangeable with the other terminal; 400 W peak pulse power (10/1000 µs), reverse leakage 5 µA at VRWM. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SMA |
| Category | TVS/Fuse/Board Level 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 |
|---|---|---|---|---|---|---|---|
| Reverse Stand-Off Voltage | VRWM | 10.2 | V | 3 | |||
| Breakdown Voltage | VBR | 11.4 | 12.6 | V | @IT = 1 mA | 3 | |
| Test Current | IT | 1 | mA | 3 | |||
| Maximum Clamping Voltage | VC | 16.7 | V | @IPP = 24.6 A | 3 | ||
| Peak Pulse Current | IPP | 24.6 | A | 3 | |||
| Reverse Leakage | IR | 5 | μA | @VRWM | 3 | ||
| Peak Pulse Power Dissipation | PPPM | 400 | W | TA=25°C, 10/1000μs waveform | 3 | ||
| Peak Forward Surge Current | IFSM | 60 | A | 8.3ms single half sine-wave | 3 | ||
| ESD Voltage Contact (IEC61000-4-2) | VESD1 | -30 | 30 | kV | Contact | 3 | |
| ESD Voltage Air (IEC61000-4-2) | VESD2 | -30 | 30 | kV | Air | 3 | |
| Operating Junction and Storage Temperature | Tj, Tstg | -55 | 150 | ℃ | 3 | ||
| Thermal Resistance Junction to Ambient | RθJA | 100 | ℃/W | Mounted on 5mm2 copper pads to each terminal | 3 |
CAD (KiCad official)
- Symbol:
P4SMA12CA - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
p4sma12ca-etched.step/p4sma12ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p4sma12ca.step/p4sma12ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (9 pp, sha256
ec1f092bdee4a124, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(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).