N channel low power mosfet transistors fairchild semiconductor bs170 enhancement mode field effect transistor n channel type 60v drain source breakdown voltage 12r drain source on resistance 500ma drain current 20v gate source voltage 10ns turn on time 10ns turn off time 830mw power to 92 case they can be used in most applications requiring up to 500ma dc these products are particularly suited for low voltage low current applications such as small servo motor control power mosfe