900PCS 18 types TO-92 Transistor Set PNP NPN Triode Transistors Electronics Assortment Kit,S8050 S8550 2N2222 2N3906 C1815 A1015

900PCS 18 types TO-92 Transistor Set PNP NPN Triode Transistors Electronics Assortment Kit,S8050 S8550 2N2222 2N3906 C1815 A1015