Type: BC337, BC327, 2N2222, 2N2907, 2N3904, 2N3906, S8050, S8550, A1015, C1815 Quantity:20pcs each type colour:black Material:PC + metal Package Contents: 20*BC337 Bipolar (BJT) Transistor NPN 45V 800mA 100MHz 625mW Through Hole TO-92-3 20*BC327 Bipolar (BJT) Transistor PNP 45V 800mA 100MHz 625mW Through Hole TO-92-3 20*2N2222 Bipolar (BJT) Transistor NPN 40V 600mA 200MHz 625mW Through Hole TO-92-3 20*2N2907 Bipolar (BJT) Transistor PNP 40V 600mA 200MHz 625mW Through Hole TO-92-3 20*2N3904 Bipolar (BJT) Transistor NPN 40V 200mA 200MHz 625mW Through Hole TO-92-3 20*2N3906 Bipolar (BJT) Transistor PNP 40V 200mA 200MHz 625mW Through Hole TO-92-3 20*S8050 Bipolar (BJT) Transistor NPN 25V 0.5A 100MHz 1W Through Hole TO-92-3 20*S8550 Bipolar (BJT) Transistor PNP 25V 0.5A 100MHz 1W Through Hole TO-92-3 20*A1015 Bipolar (BJT) Transistor PNP 50V 150mA 80MHz 400mW Through Hole TO-92-3 20*C1815 Bipolar (BJT) Transistor NPN 50V 150mA 80MHz 400mW Through Hole TO-92-3 Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Transistor is a basic semiconductor device that control current, which can also be used as a non-contact switch. There are total 200 pieces of transistors in 10 values in this set which will meet you basic needs. All transistors are well packed and assorted in a transparent box for convenient storage. Each transistors is clear marked so you can easily identify which type of transistors you need. This is a great assortment of transistors for electronic professionals or enthusiasts.