The SIR574DP-T1-RE3 from Vishay is a MOSFET with Continous Drain Current 48.1 A, Drain Source Resistance 11.2 to 14.3 milliohm, Drain Source Breakdown Voltage 150 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for SIR574DP-T1-RE3 can be seen below.