BUY MV2109 https://www.utsource.net/itm/p/878262.html
Silicon Tuning Diodes
Description: The MV2109 is an NPN silicon power transistor designed for use in high power audio, disk head positioners and other linear applications. Features: Collector-Emitter Voltage: Vceo = 40V Collector-Base Voltage: Vcbo = 60V Emitter-Base Voltage: Vebo = 5V Collector Current: Ic = 15A Power Dissipation: Pd = 75W Operating and Storage Junction Temperature Range: TJ, Tstg = -55 to +150°C Applications: High power audio amplifiers Disk head positioners Other linear applications (For reference only)