5.0SMDJ54A-AT 5000W 54V TVS Diode 5.0SMDJ-AT | RUILON

The 5.0SMDJ54A-AT is a 5000W high-power transient voltage suppressor (TVS) diode designed to protect sensitive electronic circuits from electrostatic discharge (ESD), lightning surges, and fast transient voltage spikes. With a 54V standoff voltage, it provides accurate and stable overvoltage clamping for low- to mid-voltage power rails in advanced electronic systems.

Housed in the SMC (DO-214AB) package and part of the 5.0SMDJ-AT series, this device delivers extremely high surge energy absorption capability, making it suitable for demanding industrial, telecom, and automotive environments. Its ultra-fast response time ensures immediate suppression of transient events, protecting ICs, microcontrollers, communication interfaces, and other sensitive electronics. The low leakage current improves system efficiency during normal operation, while the robust glass-passivated junction structure ensures long-term reliability and excellent thermal stability under harsh conditions.

The 54V rating provides a higher operating margin while maintaining strong surge protection performance, making it ideal for modern electronic systems requiring durability and stable voltage control.

Key Features

• 5000W peak pulse power capability
• 54V standoff voltage for enhanced operating margin
• Ultra-fast response to ESD and surge transients
• Low leakage current for energy-efficient operation
• High surge absorption (8/20 µs waveform)
• SMC (DO-214AB) high-power SMD package
• 5.0SMDJ-AT enhanced surge performance series
• Bidirectional protection design

Applications

• High-power surge protection circuits
• Industrial automation systems
• Telecom and networking equipment
• Power supply and DC line protection
• Data and signal line ESD protection
• LED lighting and driver circuits
• Automotive and harsh environment electronics