SMBJ17A-AT 600W 17V TVS Diode SMBJ-AT | RUILON

The SMBJ17A-AT is a 600W transient voltage suppressor (TVS) diode engineered to protect sensitive electronic circuits from voltage spikes, ESD events, and surge transients. With a 17V standoff voltage, it offers a higher operating margin while ensuring reliable clamping performance for low-voltage power and signal line protection applications.

Packaged in the compact SMB (DO-214AA) surface-mount format, it is optimized for high-density PCB layouts and automated assembly processes. The device provides ultra-fast response time, enabling immediate suppression of transient overvoltage conditions to safeguard ICs, communication interfaces, and control electronics. Its low leakage current ensures minimal power loss during normal operation, while the glass-passivated junction structure enhances long-term stability and thermal reliability under harsh electrical environments.

The 17V rating is well-suited for modern electronic systems requiring robust surge protection with wider voltage tolerance, making it ideal for industrial, telecom, and consumer electronics designs where both reliability and operating flexibility are essential.

Key Features

• 600W peak pulse power capability
• 17V standoff voltage for higher operating margin
• Fast response to ESD and surge transients
• Low leakage current for efficient performance
• High surge absorption (8/20 µs waveform)
• SMB (DO-214AA) compact SMD package
• Glass-passivated junction for high reliability
• Bidirectional clamping protection

Applications

• Power supply surge protection
• Industrial automation and control systems
• Telecom and networking equipment
• Consumer electronics protection
• Data and signal line ESD protection
• LED lighting and driver circuits
• Automotive low-voltage electronic modules