100 PCS/Lot PNP NPN Transistors Kit TL431A 2N2222 2N3904 2N5551 BC337 BC547 BC548 BC557 S8050 ensemble TO-92 radio transistor

100 PCS/Lot PNP NPN Transistors Kit TL431A 2N2222 2N3904 2N5551 BC337 BC547 BC548 BC557 S8050 ensemble TO-92 radio transistor