Features: This combo pack includes 200Pcs transistors, providing a solution for various electronic projects and circuit designs. Great for use in amplifiers, switches, and other electronic circuits, these transistors is essential component for both beginner and experienced electronics enthusiasts. The transistors is capable of handling up to 100mA of collector current, making them suitable for applications requiring moderate current amplification. With a maximums collector emitters voltages of 45V, these transistors can be used in circuits with a wide ranges of voltages requirements. TO-92 transistor box with 10 types, 20pcs each BC337, BC327, 2N2222, 2N2907, 2N3904, 2N3906, S8050, S8550，A1015，C1815 10 models, 20 each, for a total of 200. Specifications: Component: Plastic Size: 12.8x6.6x2.3cm/5.04x2.6x0.91inch Package Includes: 200Pcs Transistors note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.