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P4SMA18A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

P4SMA18A product

P4SMA18A

TVS - Diodes

TVS Diode400WSMAUnidirectional

The P4SMA18A is a 400W unidirectional TVS diode designed for transient voltage protection in surface-mount applications.

Best for

  • I/O interfaces
  • VCC bus protection
  • Telecom equipment

Avoid if

  • Applications requiring bidirectional protection (use P4SMA18CA instead)

Check before use

  • Operating temperature range and peak pulse power limits

Key specifications

Peak Pulse Power
400 W
Reverse Stand-Off Voltage
15.3 V
Clamping Voltage
25.2 V
Package
SMA

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1
ECCN
EAR99
HTSUS
8541100080.0

Application

IndustrialConsumer Electronics

Datasheet

575369.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for P4SMA18A: 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
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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

It is a 400W peak pulse power TVS diode in an SMA package, used for protecting sensitive circuits from voltage transients.