The BUK764R0-55B from Nexperia is a MOSFET with Continous Drain Current 75 A, Drain Source Resistance 3.4 to 8 milliohm, Drain Source Breakdown Voltage 55 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 4.4 V. Tags: Surface Mount. More details for BUK764R0-55B can be seen below.