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SMAJ18A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMAJ18A product

SMAJ18A

TVS - Diodes

TVS Diode400W18VSMA

The SMAJ18A is a 400W unidirectional TVS diode with an 18V standoff voltage, ideal for protecting sensitive circuits from voltage transients.

Best for

  • Automotive electronics
  • General circuit protection

Avoid if

  • Applications requiring bidirectional protection

Check before use

  • Ensure the unidirectional polarity matches your circuit design.

Key specifications

Peak Pulse Power
400 W
Standoff Voltage
18 V
Clamping Voltage
29.2 V

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

AutomotiveGeneral Protection

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
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
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Where to Buy

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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 SMAJ18A is a surface-mount transient voltage suppressor (TVS) diode designed to protect electronic circuits from voltage spikes.