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SMAJ18A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMAJ18A product

SMAJ18A

TVS - Diodes

TVSSMAJ400WUnidirectional

The SMAJ18A is a standard 400W unidirectional TVS diode for transient voltage protection.

Best for

  • General circuit protection
  • I/O interface protection
  • Power supply transient suppression

Avoid if

  • Applications requiring bidirectional protection
  • High-power surges exceeding 400W

Check before use

  • Clamping voltage compatibility with downstream components

Key specifications

Standoff Voltage
18 V
Peak Power
400 W
Peak Current
13.7 A

Compliance & Environment

RoHS
-
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

Power SupplyI/O Interface

Datasheet

bdf3f14325ed4263c0a3114450fe2148_2211161800_Shenzhen-Jinkaisheng-Elec-SMAJ18A_C5267290.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMAJ18A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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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Where to Buy

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Alternative components

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

Design and risk insights

Questions & answers

The SMAJ18A is a unidirectional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic components from voltage transients.