The FDD86380-F085 from onsemi is a MOSFET with Continous Drain Current 50 A, Drain Source Resistance 11.2 to 30 milli-ohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for FDD86380-F085 can be seen below.