STW7NA90/STH7NA90FI N-Channel 900V 1.05Ω 7A TO-247/ISOWATT218 Fast Power MOSFET is a high-performance power switching device from ST company. It has a typical on-resistance of 1.05 ohms, a working voltage of up to 900V, and a current of up to 7A. It is suitable for high-frequency switching, power conversion, lighting and other applications.