The BUK6D23-40E from Nexperia is a MOSFET with Continous Drain Current 12 to 19 A, Drain Source Resistance 17 to 30 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 2.7 V. Tags: Surface Mount. More details for BUK6D23-40E can be seen below.