The AUIRF4905S from Infineon Technologies is a MOSFET with Continous Drain Current -70 to -42 A, Drain Source Resistance 20 Mohms, Drain Source Breakdown Voltage -55 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage -4 to -2 V. Tags: Through Hole. More details for AUIRF4905S can be seen below.