The BUK7M8R5-40H from Nexperia is a MOSFET with Continous Drain Current 40 to 40 A, Drain Source Resistance 7.4 to 16.5 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -10 to 20 V, Gate Source Threshold Voltage 1 to 4.3 V. Tags: Surface Mount. More details for BUK7M8R5-40H can be seen below.