The SM4F85A-MS-Q1-H is a high-performance Transient Voltage Suppressor (TVS) Diode manufactured by FORMOSA MICROSEMI. This surface mount diode is engineered to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. With a standoff voltage of 85V and a peak pulse power dissipation of 400W, it provides robust protection against overvoltage events. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI components, ensuring you receive a genuine and reliable product. This TVS diode is suitable for a wide range of applications, including automotive electronics, industrial equipment, and telecommunications systems. Its compact size and surface mount design facilitate easy integration into circuit boards, offering efficient and effective circuit protection.