The BUK6D43-40P from Nexperia is a MOSFET with Continous Drain Current -14 to -8.9 A, Drain Source Resistance 30 to 81 milliohm, Drain Source Breakdown Voltage -40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.7 to -1.4 V. Tags: Surface Mount. More details for BUK6D43-40P can be seen below.