The MJ420 is a high-performance NPN BJT transistor manufactured by CENTRAL SEMICONDUCTOR. Supreme Components International is an authorised distributor of CENTRAL SEMICONDUCTOR components, ensuring you receive genuine parts. This transistor is designed for applications requiring high voltage and current handling capabilities. With a collector-emitter voltage of 80V, a collector current of 6A, and a power dissipation of 50W, the MJ420 is suitable for use in power amplifiers, switching regulators, and motor control circuits. Its TO-3 package provides excellent thermal performance and is designed for through-hole mounting. The MJ420 offers reliable performance and is a versatile choice for various electronic designs. Consider this transistor for your next project requiring a robust and dependable BJT.