BUY BU508AW https://www.utsource.net/itm/p/857144.html
Silicon Diffused Power Transistor
Description: The BU508AW is a high voltage NPN transistor in a TO-247 package. Features: - Collector-Emitter Voltage: 800V - Collector-Base Voltage: 800V - Emitter-Base Voltage: 5V - Collector Current: 8A - Power Dissipation: 150W Applications: - High voltage switching applications - Power supplies - Motor control - Lighting control (For reference only)