200 Pcs Transistors in a TO92 Box The box includes 200 silicon transistors in 10 common models, with 20 pieces of each model for a total of 200 units Models included: BC337, BC327, 2N2222, 2N2907, 2N3904, 2N3906, S8050, S8550, A1015, C1815 Electrical ratings: maximum collectoremitter voltage Vce 45V; maximum collector current Ic 100 mA Package and organization: TO92 package transistors in a single box, easy to handle and locate Key benefits and features Versatile for a wide range of electronic projects and circuit designs Standard TO92 form factor enables easy handling, breadboard compatibility, and broad substitutability Includes both NPN and PNP transistors across common models for flexible circuit design Sufficient quantity (20 per model) supports multiple prototypes and replacements Siliconbased transistors suitable for general purpose switching and moderate gain applications Practical use scenarios Smallsignal amplification in audio or sensor interface circuits Switching tasks for LEDs, small DC motors, or relays requiring up to 100 mA Educational experiments to learn biasing, switching, and transistor characteristics Compatibility and usage tips Pair with appropriate base resistors when interfacing with microcontrollers or logic circuits Suitable for 5V to 12V circuit applications typical in hobby projects Storage and handling Well organized in a TO92 box for easy storage, identification, and quick access