BUY 2N6508 https://www.utsource.net/itm/p/1707731.html
Reverse Blocking Thyristor25A（），600V
Description: The 2N6508 is a NPN silicon transistor in a TO-220 package. Features: Collector-Emitter Voltage: 80V Collector-Base Voltage: 80V Emitter-Base Voltage: 5V Collector Current: 0.2A Power Dissipation: 1.5W Applications: Switching applications Audio amplifier General purpose amplifier and switching circuits (For reference only)