The SMASF400A-Q1-H is a high-performance unidirectional TVS diode manufactured by FORMOSA MICROSEMI. Designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching, this diode offers a robust and reliable solution. With a power dissipation of 400W, it effectively clamps transient voltages to safe levels, preventing damage to downstream components. The SMASF400A-Q1-H is housed in a compact SMA package, making it suitable for applications where board space is limited. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI components, ensuring that you receive genuine, high-quality products. This TVS diode is ideal for use in automotive, industrial, and consumer electronics applications.