The BUK7M10-40E from Nexperia is a MOSFET with Continous Drain Current 39.6 to 56 A, Drain Source Resistance 7.6 to 19.7 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 4.5 V. Tags: Surface Mount. More details for BUK7M10-40E can be seen below.