The AUIRFS4127 from Infineon Technologies is a MOSFET with Continous Drain Current 51 to 72 A, Drain Source Resistance 18.6 to 22 Mohms, Drain Source Breakdown Voltage 200 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Through Hole. More details for AUIRFS4127 can be seen below.