The AUIRF7640S2TR from Infineon Technologies is a MOSFET with Continous Drain Current 5.8 to 21 A, Drain Source Resistance 27 to 36 Mohms, Drain Source Breakdown Voltage 60 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Surface Mount. More details for AUIRF7640S2TR can be seen below.