The FTK15N12CSDFN from First Silicon is a MOSFET with Continous Drain Current 15 A, Drain Source Resistance 3.1 to 11 milli-ohm, Drain Source Breakdown Voltage 12 V, Gate Source Voltage 8 V, Gate Source Threshold Voltage 0.4 to 1.3 V. Tags: Surface Mount. More details for FTK15N12CSDFN can be seen below.