(Optional) Includes 10 kinds of NPN P-NPp-owertransistor, total 200pcsfordiverseuse./Includes 15 kinds of NPN P-NPp-owertransistor, total 600pcsfordiverseuse. (Optional) Models:(10kinds)BC337, BC327, 2N2222, 2N2907, 2N3904, 2N3906, S8050, S8550, A1015, C1815/ (15kinds)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 transparentassorted 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