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SMAJ18CA AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMAJ18CA product

SMAJ18CA

TVS - Diodes

TVS DiodeBidirectional400WSMA

The SMAJ18CA is a 400W bidirectional TVS diode designed for surface-mount circuit protection, offering an 18V reverse stand-off voltage and 13.7A peak pulse current capacity.

Best for

  • General circuit protection
  • ESD suppression
  • Signal line protection

Avoid if

  • Applications requiring power dissipation significantly above 400W

Check before use

  • Clamping voltage compatibility with downstream components

Key specifications

Peak Pulse Power
400 W
Reverse Stand-off Voltage
18 V
Peak Pulse Current
13.7 A
Package
SMA

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
EAR99
HTSUS
8541100080.0

Application

General ElectronicsPower Supplies

Datasheet

SMAJ.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMAJ18CA: 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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Where to Buy

Real-time and catalog pricing from verified distributors

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

Alternative components

2
PartDetailsMatch
SMAJ16CABOURNS

A form-fit alternative in an SMA package, but with a lower 16V standoff voltage that requires careful review.

Needs validation

Design and risk insights

Questions & answers

The SMAJ18CA is a 400W surface-mount bidirectional Transient Voltage Suppressor (TVS) diode used to protect sensitive electronic components from voltage transients and ESD.