BUY BYP303 https://www.utsource.net/itm/p/723059.html
FRED Diode (Fast recovery epitaxial diode Soft recovery characteristics)
Package Type: TO-3P-2 Description: BYP303 is a NPN silicon power transistor. Features: High DC Current Gain Low Saturation Voltage High Reliability High Power Dissipation Low Noise Applications: Audio Amplifiers Motor Control Power Supplies Switching Regulators (For reference only)