The IPB120N06S4-03 from Infineon Technologies is a MOSFET with Continous Drain Current 120 A, Drain Source Resistance 2.3 to 3.2 Mohms, Drain Source Breakdown Voltage 60 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for IPB120N06S4-03 can be seen below.