SMCJ18CA-TR - STMicroelectronics

Manufacturer Part Number

SMCJ18CA-TR

Manufacturer

stmicroelectronics

Introduction

The SMCJ18CA-TR Transient Voltage Suppressor (TVS) Diode is designed to protect circuits from voltage spikes while maintaining a stable operating environment for sensitive electronics.

Product Features and Performance

Bidirectional transient voltage suppressor

Surface-mount DO-214AB (SMC) package

Withstands peak pulse power of 1500W at 10/1000µs

Maximum clamping voltage of 39.3V at a peak pulse current of 254A

Operating temperature range -55°C to 150°C

Active product status indicating continuous production

Product Advantages

Provides robust protection against voltage transients induced by inductive load switching and lightning

Compact and robust package suitable for automated assembly

Minimal effect on system performance due to low dynamic resistance

Key Technical Parameters

Reverse Standoff Voltage: 18V

Breakdown Voltage (Min): 20V

Clamping Voltage (Max) @ Ipp: 39.3V

Peak Pulse Current (10/1000µs): 254A

Peak Pulse Power: 1500W (1.5kW)

Quality and Safety Features

Built to withstand severe environmental conditions

Complies with international safety standards

Compatibility

Compatible with general-purpose applications requiring surface-mount TVS protection

Application Areas

Used commonly in consumer electronics, automotive systems, and industrial controls

Product Lifecycle

Currently active with no near-future discontinuation anticipated

Replacements and upgrades available within the SMCJ series

Several Key Reasons to Choose This Product

High reliability in voltage spike protection across a wide range of temperatures

Efficient performance with minimal impact on the system due to its small size and power handling capabilities

Ease of integration into existing and new designs with surface mount packaging and bidirectional functionality.