The IPP120N04S4-02 from Infineon Technologies is a MOSFET with Continous Drain Current 120 A, Drain Source Resistance 1.58 to 2.1 Mohms, Drain Source Breakdown Voltage 40 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for IPP120N04S4-02 can be seen below.