The IPG20N06S4L-26A from Infineon Technologies is a MOSFET with Continous Drain Current 18 to 20 A, Drain Source Resistance 21 to 46 Mohms, Drain Source Breakdown Voltage 60 V, Gate Source Voltage 16 V, Gate Source Threshold Voltage 1.2 to 2.2 V. Tags: Surface Mount. More details for IPG20N06S4L-26A can be seen below.