The FTK4060K from First Silicon is a MOSFET with Continous Drain Current 60 A, Drain Source Resistance 7.3 to 20 milli-ohm, Drain Source Breakdown Voltage 40 to 45 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.5 V. Tags: Surface Mount. More details for FTK4060K can be seen below.