The BUK9M3R3-40H from Nexperia is a MOSFET with Continous Drain Current 80 A, Drain Source Resistance 1.9 to 9.2 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 BUK9M3R3-40H can be seen below.