The FDMS86310 from onsemi is a MOSFET with Continous Drain Current 50 A, Drain Source Resistance 4.8 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 4.5 V. Tags: Surface Mount. More details for FDMS86310 can be seen below.