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P4SMA12A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

P4SMA12A product

P4SMA12A

TVS - Diodes

TVS Diode400WSMAUnidirectional

The P4SMA12A is a reliable 400W unidirectional TVS diode in an SMA package, suitable for protecting sensitive signal lines from voltage transients.

Best for

  • Consumer electronics
  • Industrial control systems
  • Telecommunication signal lines

Avoid if

  • Applications requiring bidirectional protection (use P4SMA12CA instead)

Check before use

  • Ensure the peak pulse current (23.95A) is sufficient for the expected surge event.

Key specifications

Peak Pulse Power
400 W
Working Voltage
10.2 V
Clamping Voltage
16.7 V
Package
DO-214AC (SMA)

Compliance & Environment

RoHS
RoHS Compliant
REACH
REACH Unaffected
MSL
1
ECCN
EAR99
HTSUS
-

Application

Consumer ElectronicsIndustrial

Datasheet

f0cb47fdc1a8889f58ba96b00b4ed321_4sma-777697.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for P4SMA12A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The P4SMA12A is a surface-mount transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage transients induced by inductive load switching and lighting.