The SIR4608LDP-T1-GE3 from Vishay is a MOSFET with Continous Drain Current 43.4 A, Drain Source Resistance 9.4 to 15.3 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for SIR4608LDP-T1-GE3 can be seen below.