ElectronicsThe NTE2957 Transistor is a N-channel metal oxide semiconductor field effect transistor (MOSFET) manufactured by NTE Electronics. This transistor offers a maximum drain-source voltage of 700 volts, a 5 amp drain current, and is available in a TO-220FN format. This bi-directional transistor has a variety of applications, such as switching, amplifying and amplifier biasing, and helps control the flow of power between two points.