The FTK4407S from First Silicon is a MOSFET with Continous Drain Current -11 A, Drain Source Resistance 9.0 to 20 milli-ohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1.0 to -2.2 V. Tags: Surface Mount. More details for FTK4407S can be seen below.