The BUK9Y104-100B from Nexperia is a MOSFET with Continous Drain Current 10.48 to 14.8 A, Drain Source Resistance 86 to 270 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -15 to 15 V, Gate Source Threshold Voltage 0.5 to 2.45 V. Tags: Surface Mount. More details for BUK9Y104-100B can be seen below.