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SM4T39CAY AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SM4T39CAY product

SM4T39CAY

TVS - Diodes

AutomotiveTVSBidirectional

The SM4T39CAY is a 400W bidirectional automotive-grade TVS diode designed for surge and ESD protection.

Best for

  • Automotive circuit protection
  • ESD protection

Avoid if

  • Applications requiring higher than 400W peak power

Check before use

  • Voltage levels of the protected automotive rail

Key specifications

Peak Pulse Power
400 W
Stand-off Voltage
33 V
Clamping Voltage
53.3 V
Package
SMA

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Automotive

Datasheet

SM4T39CAY-STMicroelectronics-datasheet-10835822.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SM4T39CAY: 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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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

It is a bidirectional Transil TVS diode from STMicroelectronics, rated for 400W peak pulse power, specifically qualified for automotive applications.