The SMF40A-MFH-H is a Surface Mount Transient Voltage Suppressor (TVS) Diode manufactured by FORMOSA MICROSEMI. This diode is designed to protect sensitive electronic circuits from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). With a breakdown voltage of 40V and a power dissipation of 400W, the SMF40A-MFH-H provides reliable overvoltage protection in a compact DO-219AB (SMF) package. Its surface mount design allows for easy integration into printed circuit boards. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI components, ensuring you receive genuine and high-quality products. This TVS diode is suitable for a wide range of applications, including automotive, industrial, and consumer electronics.