The FTK2309DFN22 from First Silicon is a MOSFET with Continous Drain Current -5.4 to -8.5 A, Drain Source Resistance 22 to 45 milli-ohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -10 to 10 V, Gate Source Threshold Voltage -0.3 to -1.0 V. Tags: Surface Mount. More details for FTK2309DFN22 can be seen below.