The FTK2405DFN22 from First Silicon is a MOSFET with Continous Drain Current -4.2 A, Drain Source Resistance 53 to 130 milli-ohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -0.6 to -1.3 V. Tags: Surface Mount. More details for FTK2405DFN22 can be seen below.