The BUK7J1R0-40H from Nexperia is a MOSFET with Continous Drain Current 220 to 220 A, Drain Source Resistance 0.6 to 2.18 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -10 to 20 V, Gate Source Threshold Voltage 2.4 to 3.6 V. Tags: Surface Mount. More details for BUK7J1R0-40H can be seen below.