FMMT619 is a 50V NPN Bipolar BJT Transistor ROHS manufactured by MSKSEMI in SOT-23 package. It has a null of 40@6A, 2V 2A and come in an ultra-small SOT-23 package. It is designed for use in switching and amplifier applications. It can be used in high-speed circuits with high frequency switching and is suitable for use in portable equipment applications.