The FTK0903D from First Silicon is a MOSFET with Continous Drain Current -11.4 to -18 A, Drain Source Resistance 75 to 110 milli-ohm, Drain Source Breakdown Voltage -100 V, Gate Source Voltage -25 to 25 V, Gate Source Threshold Voltage -1.2 to -2.2 V. Tags: Surface Mount. More details for FTK0903D can be seen below.