The AUIRFZ46NL from Infineon Technologies is a MOSFET with Continous Drain Current 37 to 53 A, Drain Source Resistance 16.5 Mohms, Drain Source Breakdown Voltage 55 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for AUIRFZ46NL can be seen below.