ProjectsPricingInsights

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 designed for transient voltage protection in sensitive electronic circuits.

Best for

  • I/O interface protection
  • AC/DC power supply lines
  • RS232/RS485 signal lines

Avoid if

  • Applications requiring bidirectional protection (use SMBJ18CA instead)

Check before use

  • Maximum transient energy levels
  • Operating temperature range

Key specifications

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

Compliance & Environment

RoHS
Y
REACH
-
MSL
Level 1
ECCN
EAR99
HTSUS
8541406010.0

Application

Power Supply ProtectionConnectivity

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
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 SMBJ18A is a 600W peak pulse power transient voltage suppressor (TVS) diode in a surface-mount SMB (DO-214AA) package.