The BUK9M15-40H from Nexperia is a MOSFET with Continous Drain Current 27.4 to 30 A, Drain Source Resistance 8.4 to 36.9 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -10 to 16 V, Gate Source Threshold Voltage 0.7 to 2.6 V. Tags: Surface Mount. More details for BUK9M15-40H can be seen below.