SMBJ15A-AT 600W 15V TVS Diode SMBJ-AT | RUILON

RUILON

The SMBJ15A-AT is a 600W transient voltage suppressor (TVS) diode designed to protect sensitive electronic circuits from voltage transients, ESD strikes, and surge events. With a 15V standoff voltage, it provides reliable clamping performance while maintaining stable operation margin for modern low-voltage power and signal line applications.

Housed in a compact SMB (DO-214AA) surface-mount package, it is optimized for high-density PCB layouts and automated assembly processes. The device features ultra-fast response time, ensuring immediate suppression of transient overvoltage events to protect ICs, communication interfaces, and control electronics. Its low leakage current enhances system efficiency, while the glass-passivated junction design ensures strong long-term reliability and thermal stability.

Compared with lower-voltage variants, the 15V rating offers improved tolerance for systems requiring a wider operating window, making it suitable for industrial, telecom, and consumer electronics environments where both protection and performance stability are critical.


Key Features

  • 600W peak pulse power capability
  • 15V standoff voltage for wider operating margin
  • Fast response to ESD and surge transients
  • Low leakage current for efficient operation
  • High surge absorption (8/20 µs waveform)
  • SMB (DO-214AA) compact SMD package
  • Glass-passivated junction for high reliability
  • Bidirectional protection capability

Applications

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