1.0SMBJ45A 45V 1000W TVS Diode SMB/DO-214AA | High Power Transient Voltage Suppressor for Surge & ESD Protection | RUILON

RUILON

The 1.0SMBJ45A TVS Diode from RUILON is a high-performance 1000W transient voltage suppressor designed to protect sensitive electronic circuits from voltage spikes, lightning surges, and electrostatic discharge (ESD). Built with advanced avalanche breakdown technology, this device ensures ultra-fast response time and precise clamping performance, effectively suppressing transient overvoltage events and enhancing system stability.

With a working peak reverse voltage of 45V, the 1.0SMBJ45A is ideal for low-voltage to mid-voltage applications such as DC power rails, communication interfaces, and embedded electronic systems. Its high peak pulse power dissipation of 1000W (10/1000µs waveform) provides significantly stronger surge absorption capability compared to standard 600W TVS diodes, ensuring improved protection in demanding electrical environments.

The device features low leakage current, stable clamping characteristics, and excellent thermal performance, enabling efficient operation and long-term reliability. Compared to lower voltage variants, the 45V configuration offers increased voltage headroom, reducing the risk of unintended triggering while maintaining strong transient suppression capability.

Encased in a compact SMB (DO-214AA) surface-mount package, the 1.0SMBJ45A supports space-efficient PCB layouts and easy integration into modern electronic designs. It is widely used in consumer electronics, power supplies, communication equipment, and industrial control systems, delivering dependable protection and consistent performance.


Key Features:

  • 1000W peak pulse power dissipation (10/1000µs)
  • 45V working peak reverse voltage
  • Ultra-fast response time
  • Low leakage current and high reliability
  • Excellent clamping capability
  • Compact SMB (DO-214AA) SMD package

Applications:

  • Power supply protection
  • Communication systems
  • Consumer electronics
  • Industrial control systems
  • Embedded electronic devices