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SMBJ18A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMBJ18A product

SMBJ18A

TVS - Diodes

TVS Diode600WSMBUnidirectional

The SMBJ18A is a standard 600W unidirectional TVS diode used for transient voltage protection in surface-mount applications.

Best for

  • General circuit protection
  • Telecom
  • Consumer electronics

Avoid if

  • Applications requiring bidirectional protection (use SMBJ18CA instead)

Check before use

  • Peak pulse current limits
  • Thermal dissipation

Key specifications

Reverse Standoff Voltage
18V
Peak Pulse Power
600W
Clamping Voltage
29.2V

Compliance & Environment

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

Application

General Purpose

Datasheet

18245f8ccf2c800307279ca90b3d0f39_pdf.php.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMBJ18A: 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

It is a 600W unidirectional Transient Voltage Suppressor (TVS) diode housed in an SMB (DO-214AA) package, designed to protect sensitive electronics from voltage spikes.