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SMBJ18A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMBJ18A product

SMBJ18A

Transient Voltage Suppressors (TVS)

TVS Diode600WSMBUnidirectional

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

Best for

  • Automotive electronics
  • Telecommunications equipment
  • Power supplies

Avoid if

  • Applications requiring bidirectional protection (use SMBJ18CA instead)

Check before use

  • Verify the surge waveform duration matches the 10/1000us rating.

Key specifications

Peak Pulse Power
600W
Reverse Stand-Off Voltage
18V
Clamping Voltage
29.2V

Compliance & Environment

RoHS
Compliant
REACH
Compliant
MSL
-
ECCN
-
HTSUS
-

Application

Power ProtectionIndustrial

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 surface-mount transient voltage suppressor (TVS) diode in an SMB package, designed to protect sensitive electronics from voltage spikes.