The 2N3906 is an NPN-type transistor manufactured by LGE and designed to work with a wide range of applications. This transistor is available in the TO-92 RoHS package, which is a small plastic package designed for surface mounted applications. It has a maximum power dissipation of 500mW, with a maximum collector-emitter voltage of 40V and a maximum collector current of 200mA. It has a high current gain of up to 100, and a low noise level. Furthermore, it is RoHS compliant and has a high gain-bandwidth product of 300MHz. The 2N3906 is ideal for amplifying or switching applications such as audio amplifiers, switching relays, motor drive circuits, telecom circuits, switching regulators and so on.