The FTK4828D from First Silicon is a MOSFET with Continous Drain Current 12 A, Drain Source Resistance 56 to 77 milli-ohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.0 to 3.0 V. Tags: Surface Mount. More details for FTK4828D can be seen below.