ProjectsPricingInsights

SMAJ40A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMAJ40A product

SMAJ40A

TVS - Diodes

TVS DiodeSMA400WUnidirectional

The SMAJ40A is a 400W unidirectional TVS diode in an SMA package, suitable for protecting sensitive electronics from voltage transients.

Best for

  • I/O protection
  • Power supply transient suppression

Avoid if

  • High-energy surge environments exceeding 400W

Check before use

  • Clamping voltage compatibility with downstream components

Key specifications

Peak Pulse Power
400 W
Stand-Off Voltage
40 V
Clamping Voltage
64.5 V
Package
SMA/DO-214AC

Compliance & Environment

RoHS
-
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

I/O InterfacePower Supply

Datasheet

7e41bb6ead17c493f609b164608cfbdb.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMAJ40A: 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

Login required · CAD models billed separately as an add-on

Where to Buy

Real-time and catalog pricing from verified distributors

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 SMAJ40A is a surface-mount transient voltage suppressor (TVS) diode designed to protect electronic circuits from voltage spikes and surges.