The NVMFS040N10MCL from onsemi is a MOSFET with Continous Drain Current 21 A, Drain Source Resistance 31 to 53 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for NVMFS040N10MCL can be seen below.