The FTK2120NPSOT563 from First Silicon is a MOSFET with Continous Drain Current 800 mA, Drain Source Resistance 200 to 1500 milli-ohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage 0.3 to 1 V. Tags: Surface Mount. More details for FTK2120NPSOT563 can be seen below.