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SM4T47CAY AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SM4T47CAY product

SM4T47CAY

TVS - Diodes

AutomotiveTVS DiodeBidirectional

The SM4T47CAY is a 400W bidirectional automotive-grade TVS diode in an SMA package, ideal for protecting sensitive circuits from ESD and ISO 7637-2 surges.

Best for

  • Automotive circuit protection
  • ESD protection
  • ISO 7637-2 surge suppression

Avoid if

  • Applications requiring higher than 400W peak pulse power

Check before use

  • Verify the maximum clamping voltage is within the safe operating range of downstream components.

Key specifications

Stand-off Voltage
40 V
Peak Pulse Power
400 W
Type
Bidirectional
Package
SMA

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Automotive

Datasheet

SM4T47CAY-STMicroelectronics-datasheet-10835822.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SM4T47CAY: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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

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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 and qualified for automotive applications (AEC-Q101).