BUY BDX33B https://www.utsource.net/itm/p/11250143.html

Description: NPN Silicon Transistor Features: High DC Current Gain Low Saturation Voltage High Voltage High Reliability High Power Dissipation Low Noise Low Leakage Current Low Thermal Resistance High Frequency Operation Application: Audio Amplifier Power Switching Motor Control High Voltage Switching High Frequency Switching High Voltage Regulators High Speed Switching (For reference only)