The ST34B is a Schottky Barrier Diode (SBD) manufactured by Microdiode Electronics. It features low forward voltage drops of only 0.3V-0.45V, an ultra-low capacitance of 0.25pF and a reverse leakage current of less than 0.5µA. It is made with SMB RoHS compliant materials for reliable operation and long life. The ST34B is designed for high frequency switching in applications such as LCD or LED backlighting, overvoltage protection, and protection of electrical equipment. It is available in a four-pin SMB package for easy installation and is RoHS compliant, ensuring environmental safety.