SM6T18AY - STMicroelectronics

Manufacturer Part Number

SM6T18AY

Manufacturer

stmicroelectronics

Introduction

The SM6T18AY is part of the TRANSIL™ SM6TY series by STMicroelectronics, designed to protect sensitive electronics from voltage spikes and transients.

Product Features and Performance

Zener type TVS diode for transient voltage suppression

Unidirectional channel for straightforward application

High peak pulse power capability of 600W

Supports up to 123A peak pulse current for durations of 10/1000µs

Designed for a reverse standoff voltage of 15.3V with a minimum breakdown voltage of 17.1V

Clamps voltage to a maximum of 32.5V at specified peak pulse current

Product Advantages

Provides robust protection against voltage transients

High power dissipation capacity for its size

AEC-Q101 qualified, making it ideal for automotive applications

Wide operating temperature range suitable for harsh environments

Surface-mount SMB (DO-214AA) package for easy integration into various board designs

Key Technical Parameters

Voltage Reverse Standoff (Typ): 15.3V

Voltage Breakdown (Min): 17.1V

Voltage Clamping (Max) @ Ipp: 32.5V

Current Peak Pulse (10/1000µs): 123A

Power Peak Pulse: 600W

Operating Temperature: -55°C ~ 150°C (TJ)

Quality and Safety Features

Complies with AEC-Q101 standards, ensuring automotive-grade reliability

Robust construction designed to withstand harsh environmental conditions

Compatibility

Surface Mount mounting type for broad compatibility with PCB designs

Packaged in Tape & Reel (TR) for automated assembly processes

Application Areas

Automotive electronics protection

Industrial and consumer electronics voltage regulation

Systems requiring high reliability and transient voltage protection

Product Lifecycle

Status: Active, indicating ongoing production and support

Not currently near discontinuation, with no immediate replacements or upgrades specified

Several Key Reasons to Choose This Product

High power and current ratings provide robust protection against transients

Automotive qualification (AEC-Q101) assures reliability in automotive applications

Wide operating temperature range enables use in various environments

Easy to integrate into existing designs thanks to its surface mount packaging

Ongoing product support and active status ensure long-term availability