The SMAJ300A-H is a high-performance 300V, 400W unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Formosa Microsemi. This surface mount TVS diode is specifically engineered to safeguard sensitive electronic equipment against voltage transients caused by lightning strikes, inductive load switching, and electrostatic discharge (ESD). Its unidirectional configuration ensures optimal protection in circuits where voltage polarity is consistent. Supreme Components International is an authorised distributor of Formosa Microsemi components, guaranteeing the authenticity and quality of this product. The SMAJ300A-H is suitable for a wide range of applications, including telecommunications, industrial control systems, and consumer electronics, where reliable transient voltage suppression is crucial. Its compact SMA package allows for easy integration into existing designs. Choose the SMAJ300A-H for superior circuit protection and peace of mind.