SM8S18AHE3_A/I - Vishay General Semiconductor - Diodes Division

Manufacturer Part Number

SM8S18AHE3_A/I

Manufacturer

Vishay Semiconductors

Introduction

TVS Diode designed for voltage surge suppression

Product Features and Performance

High surge current capability

Zener diode technology

Unidirectional channel protection

Low incremental surge resistance

Product Advantages

High peak pulse power of 6.6kW

Robust operating temperature range from -55°C to 175°C

AEC-Q101 qualified for automotive applications

Key Technical Parameters

Reverse Standoff Voltage: 18V

Breakdown Voltage: Min 20V

Clamping Voltage: Max 29.2V @ Ipp

Peak Pulse Current: 226A for 10/1000µs waveform

Power dissipation: 6600W (6.6kW)

Mounting Type: Surface Mount

Package / Case: DO-218AB

Quality and Safety Features

AEC-Q101 automotive qualification

High reliability for automotive and industrial applications

Compatibility

Surface Mount Device compatible with DO-218AB package

Application Areas

Automotive surge protection

Industrial voltage transient suppression

Circuit protection in consumer electronics

Product Lifecycle

Currently active product

Not reported as nearing discontinuation

Several Key Reasons to Choose This Product

Exceptional power dissipation capacity for high energy transients

AEC-Q101 qualification ensures reliability for automotive standards

Broad operational temperature range suited for extreme environments

Ready to use in automated manufacturing, supplied in Tape & Reel packaging

High peak pulse current rating ideal for severe transient overvoltage events

Minimal impact on the signal integrity due to low capacitance (when applicable)