5.0SMDJ20A-AT 5000W 20V TVS Diode 5.0SMDJ-AT | RUILON

The 5.0SMDJ20A-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 20V standoff voltage, it provides accurate and stable overvoltage clamping for low-voltage power rails in modern electronic systems.

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

The 20V rating provides a balanced protection threshold with strong operating margin, making it ideal for low-voltage circuits requiring both precise regulation and high surge immunity.

Key Features

• 5000W peak pulse power capability
• 20V standoff voltage for stable protection
• Ultra-fast response to ESD and surge transients
• Low leakage current for 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