The SM4NT400A-H is a high-performance 400W Surface Mount Transient Voltage Suppressor (TVS) manufactured by FORMOSA MICROSEMI. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI components, ensuring you receive genuine and reliable products. This TVS diode is specifically designed to protect sensitive electronic circuits from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. Its surface mount package allows for easy integration into printed circuit boards (PCBs), saving valuable space and simplifying assembly. The SM4NT400A-H offers excellent clamping capability, fast response time, and low incremental surge resistance. It is suitable for a wide range of applications, including telecommunications, industrial equipment, consumer electronics, and automotive systems. Choose the SM4NT400A-H for superior circuit protection and peace of mind.