BUY A1941 , C5198 https://www.utsource.net/itm/p/11303386.html

A1941 is a NPN Silicon Transistor manufactured by ON Semiconductor. It is a general-purpose amplifier and switch. It has a maximum collector current of 1.5A and a maximum collector-emitter voltage of 40V. It is suitable for use in a variety of applications such as audio amplifiers, switching circuits, and motor control. C5198 is a PNP Silicon Transistor manufactured by ON Semiconductor. It is a general-purpose amplifier and switch. It has a maximum collector current of 1.5A and a maximum collector-emitter voltage of 40V. It is suitable for use in a variety of applications such as audio amplifiers, switching circuits, and motor control. (For reference only)