The BUK7S1R0-40H from Nexperia is a MOSFET with Continous Drain Current 325 A, Drain Source Resistance 0.62 to 2.2 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 BUK7S1R0-40H can be seen below.