BUY MJ3055 https://www.utsource.net/itm/p/329631.html
Bipolar NPN Device in a Hermetically sealed TO3 Metal Package
Description: NPN Silicon Power Transistor Features: Low Collector-Emitter Saturation Voltage High DC Current Gain High Power Dissipation High Switching Speed High Reliability Low Noise High Voltage High Current Low Leakage High Frequency Applications: High Voltage, High Speed Switching High Voltage, High Speed Amplifiers High Voltage, High Speed Power Supply High Voltage, High Speed Motor Control (For reference only)