The RB521SM-30T2R is a surface-mount Schottky barrier diode designed for general-purpose rectification applications in electronic circuits. This diode has a maximum forward current of 200mA and a forward voltage drop of 0.3V at a forward current of 10mA. It has a reverse voltage of 30V and a maximum leakage current of 1µA at a reverse voltage of 20V. The RB521SM-30T2R comes in a small surface-mount package that measures only 1.0 x 0.6mm, making it suitable for compact PCB designs. This diode is designed for high-speed switching applications and features low reverse recovery time. It is compatible with lead-free soldering processes, making it environmentally friendly. Overall, the RB521SM-30T2R is a reliable and compact discrete semiconductor component suitable for a wide range of electronic applications requiring rectification