BUY KTD998-O,KTB778-O, https://www.utsource.net/itm/p/11553203.html

KTD998-O: Description: KTD998-O is a NPN silicon transistor manufactured by KEC. It is designed for use in general purpose amplifier and switching applications. Features: Low collector-emitter saturation voltage High current gain Low noise High frequency operation High input impedance Applications: Audio amplifiers Switching applications High frequency amplifiers Motor control circuits Power supplies Automotive electronics KTB778-O: Description: KTB778-O is a PNP silicon transistor manufactured by KEC. It is designed for use in general purpose amplifier and switching applications. Features: Low collector-emitter saturation voltage High current gain Low noise High frequency operation High input impedance Applications: Audio amplifiers Switching applications High frequency amplifiers Motor control circuits Power supplies Automotive electronics (For reference only)