The IPB90N06S4-04 from Infineon Technologies is a MOSFET with Continous Drain Current 90 A, Drain Source Resistance 3 to 4 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 IPB90N06S4-04 can be seen below.