The SiR510DP-T1-RE3 from Vishay is a MOSFET with Continous Drain Current 126 A, Drain Source Resistance 3 to 4.2 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for SiR510DP-T1-RE3 can be seen below.