The IPG20N10S4L-22 from Infineon Technologies is a MOSFET with Continous Drain Current 20 A, Drain Source Resistance 20 to 28 Mohms, Drain Source Breakdown Voltage 100 V, Gate Source Voltage 16 V, Gate Source Threshold Voltage 1.1 to 2.1 V. Tags: Surface Mount. More details for IPG20N10S4L-22 can be seen below.