The FTK4409 from First Silicon is a MOSFET with Continous Drain Current 0.75 A, Drain Source Resistance 240 to 320 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage 0.65 to 1.5 V. Tags: Surface Mount. More details for FTK4409 can be seen below.