The BUK7Y9R9-80E from Nexperia is a MOSFET with Continous Drain Current 63 to 89 A, Drain Source Resistance 7.3 to 24.9 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 4.5 V. Tags: Surface Mount. More details for BUK7Y9R9-80E can be seen below.