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 in an SMB package, optimized for transient voltage suppression in power and signal lines.

Best for

  • I/O protection
  • Power supply transient suppression

Avoid if

  • Applications requiring bidirectional protection (use SMBJ18CA instead)

Check before use

  • Transient energy levels and thermal derating

Key specifications

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

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.10.0080

Application

Power SupplyConnectivity

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

It is a surface-mount transient voltage suppressor (TVS) diode from MDD, designed to protect sensitive electronics from voltage spikes.