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SM4T18CAY AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SM4T18CAY product

SM4T18CAY

TVS - Diodes

TVS DiodeAutomotive400W

The SM4T18CAY is an automotive-qualified, 400W bidirectional Transil TVS diode in an SMA package, optimized for protecting sensitive circuits against electrical surges.

Best for

  • Automotive circuit protection
  • Surge suppression

Avoid if

  • Applications requiring higher than 400W peak pulse power

Check before use

  • Clamping voltage at specific surge currents

Key specifications

Stand-off Voltage
15 V
Peak Pulse Power
400 W
Type
Bidirectional

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Automotive

Datasheet

SM4T18CAY-STMicroelectronics-datasheet-10835822.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SM4T18CAY: 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, specifically designed for automotive applications to protect against ISO 7637-2 and ISO 10605 surges.