BUY 70473180 https://www.utsource.net/itm/p/1350981.html

Description: The 70473180 is a NPN Silicon Power Transistor designed for use in high power audio, disk head positioners and other linear applications. Features: High DC Current Gain Low Saturation Voltage High Collector-Emitter Voltage Low Collector-Emitter Saturation Voltage Low Thermal Resistance High Power Dissipation Applications: High Power Audio Amplifiers Disk Head Positioners Linear Applications (For reference only)