SMBJ43A 43V 600W TVS Diode SMB/DO-214AA | Transient Voltage Suppressor for Surge & ESD Protection | RUILON

RUILON

The SMBJ43A TVS Diode from RUILON is a high-reliability 600W transient voltage suppressor designed to protect sensitive electronic systems from voltage spikes, lightning surges, and electrostatic discharge (ESD). Utilizing advanced avalanche breakdown technology, this diode delivers ultra-fast response time and accurate clamping performance, ensuring effective suppression of transient overvoltage events.

With a working peak reverse voltage of 43V, the SMBJ43A is ideal for higher-voltage applications that require stable and dependable protection. It features a peak pulse power dissipation of 600W (10/1000µs waveform), allowing it to absorb significant surge energy while maintaining circuit integrity. The device also offers low leakage current and consistent clamping characteristics, contributing to improved system efficiency and long-term reliability.

Compared to lower voltage TVS diodes, the 43V configuration provides increased voltage headroom, reducing the risk of unintended conduction in circuits with voltage fluctuations while maintaining strong surge suppression capability. The compact SMB (DO-214AA) surface-mount package enables efficient PCB layout and easy integration into space-constrained designs.

The RUILON SMBJ43A is widely used in power supplies, automotive electronics, telecom systems, industrial control equipment, and consumer devices, delivering robust protection, durability, and consistent performance in demanding applications.


Key Features:

  • 600W peak pulse power dissipation (10/1000µs)
  • 43V 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
  • Automotive electronics
  • Telecom and networking equipment
  • Industrial control systems
  • Consumer electronics