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SMAJ12CA AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMAJ12CA product

SMAJ12CA

Transient Voltage Suppressors (TVS)

TVS DiodeBidirectional400WSMA

The SMAJ12CA is a 400W bidirectional TVS diode designed for transient voltage protection in compact electronic circuits.

Best for

  • Signal line protection
  • Low-power DC supply protection

Avoid if

  • High-energy surge environments exceeding 400W
  • Applications requiring unidirectional protection

Check before use

  • Clamping voltage vs. component tolerance
  • Thermal dissipation in high-duty cycle applications

Key specifications

Reverse Stand-Off Voltage
12 V
Peak Pulse Power
400 W
Max Clamping Voltage
19.9 V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

I/O InterfacePower Supply

Datasheet

ef5a2888fc788cecea65de19a0b6f559_SMAJx.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMAJ12CA: 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 SMAJ12CA is a bidirectional Transient Voltage Suppressor (TVS) diode from FTR Qiaoguang, housed in a surface-mount DO-214AC (SMA) package, rated for 400W peak pulse power.