The FDMS86520 from onsemi is a MOSFET with Continous Drain Current 42 A, Drain Source Resistance 7.4 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 4.5 V. Tags: Surface Mount. More details for FDMS86520 can be seen below.