The NTMFS5H663NLT1G from onsemi is a MOSFET with Continous Drain Current 61 A, Drain Source Resistance 5.8 to 10 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2 V. Tags: Surface Mount. More details for NTMFS5H663NLT1G can be seen below.