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SMAJ18A R3G AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMAJ18A R3G product

SMAJ18A R3G

TVS Diodes

TVS Diode400WSMA

The SMAJ18A R3G is a 400W surface mount TVS diode designed for transient voltage protection in compact electronic circuits.

Best for

  • SMPS
  • Adapters
  • DC/DC Converters

Avoid if

  • High-power applications exceeding 400W peak pulse power

Check before use

  • Verify current availability and lifecycle status

Key specifications

Working Voltage
18 V
Clamping Voltage
29.2 V
Peak Power
400 W

Compliance & Environment

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

Application

Power SuppliesIndustrial

CAD Models

Download ECAD models for SMAJ18A R3G: 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

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 400W transient voltage suppressor (TVS) diode in an SMA (DO-214AC) package, designed to protect sensitive components from voltage spikes.