The FAN4147SX is an integrated circuit manufactured by Fairchild/ON Semiconductor. It is a ground fault protection device that is commonly used in various applications. This device is packaged in a reel - TR, and is surface mountable. The FAN4147SX operates at a temperature range of -35°C to 85°C and has a 6-SuperSot case / package. It has an operating supply current of 400μA and is a common-used part with high popularity. However, there is a 30% fake threat in the open market and the supply and demand status is limited, with 3k pcs per package.