The SMF51A-MS-H is a surface-mount Transient Voltage Suppressor (TVS) diode manufactured by FORMOSA MICROSEMI. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI components. This diode is designed to protect sensitive electronic circuits from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. It features a standoff voltage of 51V and a peak pulse power dissipation of 400W. The SMF51A-MS-H is packaged in a compact DO-219AB (SMF) package, making it suitable for high-density PCB layouts. This TVS diode offers fast response time, low clamping voltage, and high surge capability, ensuring reliable protection for your electronic devices. It is commonly used in applications such as telecommunications, industrial equipment, and consumer electronics.