2N2222A NPN Switching Transistor 40V 800mA TO-18This NPN switching transistor in a metal TO-18 package is designed for high speed switching applications at collector current up to 500 mA and feature useful current gain over a wide range of collector current, low leakage currents and low saturation voltage. Its PNP compliment is 2N2907A.Features High current: 800 mA (max.) Low voltage: 40V (max.) For more about Transistors, click here.