The SM4F120A-MS-H is a high-performance Transient Voltage Suppressor (TVS) Diode manufactured by Formosa Microsemi. This unidirectional TVS diode is designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. With a standoff voltage of 120V and a peak pulse power dissipation of 400W, the SM4F120A-MS-H provides robust protection against overvoltage conditions. Its compact DO-221AC (SMPC) package allows for easy surface mounting on printed circuit boards. Supreme Components International is an authorised distributor of Formosa Microsemi components, ensuring you receive genuine and reliable products. This TVS diode is suitable for a wide range of applications, including automotive, industrial, and consumer electronics, where transient voltage protection is critical. Choose the SM4F120A-MS-H for superior circuit protection and peace of mind.