ProjectsPricingInsights

SMAJ18A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMAJ18A product

SMAJ18A

TVS - Diodes

TVS DiodeSMA400W

The SMAJ18A is a 400W unidirectional TVS diode in an SMA package, ideal for protecting sensitive circuits from voltage transients.

Best for

  • General circuit protection
  • Inductive load switching

Avoid if

  • High-power surge applications exceeding 400W

Check before use

  • Polarity orientation

Key specifications

Reverse Stand-off Voltage
18 V
Peak Power
400 W
Clamping Voltage
29.2 V

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
EAR99
HTSUS
8541100080.0

Application

General ProtectionPower Supplies

Datasheet

Bourns-company-36.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMAJ18A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

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 SMAJ18A is a unidirectional transient voltage suppressor (TVS) diode designed for circuit protection against voltage spikes.