Description Manufactured with silicon tube and germanium tube material, reliable andcan be applied for a long time. Thesetransistor kits are basic components of semiconductor, which can amplify current, with low power consumption, can be used for a long time. Features -Color:Black -Material:Silicon tube, germanium tube -Size:12.80X6.50X2.20cm/5.03X2.55X0.86in -Specification:S8050, S8550, S9012, S9013,S9014, 2N3904,2N3906, C1815, A1015,MJE13001 -With high dielectric strength, fast switching, large power dissipation and good current performance. -The transistors are compact in size and light in weight, which is nice for carrying and storing -The transistors are great for electrical experiments, DIY projects, electrical products repairing, etc. -These are different types of our transistors for different use, very practical and professional. -The transistors are packed in the rugged, convenient, sealing plastic storage case, easy to store. Package list: 20 x Transistors S8050 20 x Transistors S8550 20 x Transistors S9012 20 x Transistors S9013 20 x Transistors S9014 20 x Transistors 2N3904 20 x Transistors 2N3906 20 x Transistors C1815 20 x Transistors A1015 20 x Transistors MJE13001