The FTK4459 from First Silicon is a MOSFET with Continous Drain Current -6.5 A, Drain Source Resistance 46 to 72 milli-ohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1.4 to -2.4 V. Tags: Surface Mount. More details for FTK4459 can be seen below.