The FDD13AN06A0-F085 from onsemi is a MOSFET with Continous Drain Current 50 A, Drain Source Resistance 11.5 to 30 milli-ohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for FDD13AN06A0-F085 can be seen below.