The AUIRF7737L2TR from Infineon Technologies is a MOSFET with Continous Drain Current 31 to 315 A, Drain Source Resistance 1.5 to 1.9 Mohms, Drain Source Breakdown Voltage 40 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for AUIRF7737L2TR can be seen below.