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SMAJ12A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMAJ12A product

SMAJ12A

Transient Voltage Suppressors (TVS)

TVS Diode400WSMAUnidirectional

The RUILON SMAJ12A is a 400W unidirectional TVS diode designed for transient voltage protection in surface-mount applications.

Best for

  • Data line protection
  • Sensitive electronic equipment

Avoid if

  • Applications requiring bidirectional protection

Check before use

  • Peak pulse power requirements

Key specifications

VRWM
12 V
PPP
400 W
VC
19.9 V
Package
DO-214AC

Compliance & Environment

RoHS
RoHS compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General

Datasheet

191e9de9ac82a4d9888c6dc213764bdc_2304140030_DOWO-SMAJ12A_C283876.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMAJ12A: 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

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

1
SMAJ12CAMDD

A functional alternative in the same package with identical voltage/power ratings but bidirectional polarity.

Needs validation

Design and risk insights

Questions & answers

The SMAJ12A is a unidirectional Transient Voltage Suppressor (TVS) diode from RUILON, housed in a standard DO-214AC (SMA) package, capable of handling 400W peak pulse power.