BUY MPSU05 https://www.utsource.net/itm/p/1832359.html
NPN SILICON AUDIO TRANSISTORS
MPSU05 is a NPN transistor manufactured by Motorola. It is a three-terminal device with a TO-202 package. It is designed for use in general purpose switching and amplification applications. Features: * Collector-Emitter Voltage: 40V * Collector-Base Voltage: 60V * Emitter-Base Voltage: 5V * Collector Current: 500mA * Power Dissipation: 625mW Applications: * General purpose switching * Amplification * Audio amplifiers * Motor control * Relay drivers * Solenoid drivers (For reference only)