The BUK9M20-40H from Nexperia is a MOSFET with Continous Drain Current 22 to 25 A, Drain Source Resistance 11 to 48.5 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 BUK9M20-40H can be seen below.