Features: Widely used transistors, enough, fits for DIY electronics project, vehicle r-epair projects, etc. (Optional)Includes 10 kinds of NPN P-NP p-ower transistor, total 200pcs for diverse use./Includes 15 kinds of NPN P-NP p-ower transistor, total 600pcs for diverse use. (Optional)Models:(10 kinds)BC337, BC327, 2N2222, 2N2907, 2N3904, 2N3906, S8050, S8550, A1015, C1815/ (15 kinds)2N222, 2N3904, 2N3906, 2N5401, 2N5551, A1015, C1815, C945, S8050, S8550, S9012, S9013,S9014, S9015, S9018 Quality transistors have high dielectric strength, f-ast electrical signals switching speed, low p-ower dissipation, g-ood current performance. Each is stored in a transparent assorted convenient p-lastic case, well and organized. Specifications: Material: Semiconductor Materials Color: Black & Silver (Optional)Quantity: 1 200pcs(BC337, BC327, 2N2222, 2N2907, 2N3904, 2N3906, S8050, S8550, A1015, C1815)/ 2 600pcs(2N222, 2N3904, 2N3906, 2N5401, 2N5551, A1015, C1815, C945, S8050, S8550, S9012, S9013,S9014, S9015, S9018) Package Weight: 1 60g / 2 150g Package Size: 1 130* 64* 22mm / 2 170 * 95 *23mm Packing List: 1 * Transistors Assortment Kit