Description _x000D_ _x000D_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. _x000D_ _x000D_Features _x000D_ _x000D_-Color:Black _x000D_-Material:Silicon tube, germanium tube _x000D_-Size:12.80X6.50X2.20cm/5.03X2.55X0.86in _x000D_-Specification:S8050, S8550, S9012, S9013,S9014, 2N3904,2N3906, C1815, A1015,MJE13001 _x000D_-With high dielectric strength, fast switching, large power dissipation and good current performance. _x000D_-The transistors are compact in size and light in weight, which is nice for carrying and storing _x000D_-The transistors are great for electrical experiments, DIY projects, electrical products repairing, etc. _x000D_-These are different types of our transistors for different use, very practical and professional. _x000D_-The transistors are packed in the rugged, convenient, sealing plastic storage case, easy to store. _x000D_Packing list20 x Transistors S8050_x000D_20 x Transistors S8550_x000D_20 x Transistors S9012_x000D_20 x Transistors S9013_x000D_20 x Transistors S9014_x000D_20 x Transistors 2N3904_x000D_20 x Transistors 2N3906_x000D_20 x Transistors C1815_x000D_20 x Transistors A1015 _x000D_20 x Transistors MJE13001