SMAJ18A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMAJ18A product

SMAJ18A

Transient Voltage Suppressors (TVS)

TVS Diode400WSMA18V

The SMAJ18A is a 400W unidirectional TVS diode in an SMA package, providing robust transient voltage protection for 18V circuits.

Best for

  • I/O interface protection
  • Power supply transient suppression

Avoid if

  • Applications requiring higher than 400W peak pulse power

Check before use

  • Verify the transient waveform duration and energy levels

Key specifications

Stand-off Voltage
18 V
Peak Pulse Power
400 W
Clamping Voltage
29.2 V

Compliance & Environment

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

Application

Power Supply ProtectionI/O Interface

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
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

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

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