5.0SMDJ12A-AT 5000W 12V TVS Diode 5.0SMDJ-AT | RUILON

The 5.0SMDJ12A-AT is a 5000W high-power transient voltage suppressor (TVS) diode designed to provide superior protection against electrostatic discharge (ESD), lightning surges, and fast transient voltage spikes. With a 12V standoff voltage, it delivers precise overvoltage clamping for low-voltage power rails in modern electronic systems.

Built in the SMC (DO-214AB) package and part of the enhanced 5.0SMDJ-AT series, this device offers extremely high surge energy absorption, 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 electronic components. 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 high-stress conditions.

The 12V rating provides a balanced protection threshold, making it ideal for low-voltage circuits requiring both tight voltage control and strong surge immunity.

Key Features

• 5000W peak pulse power capability
• 12V standoff voltage for low-voltage protection
• 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 and control 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