The IPD90N03S4L-03 from Infineon Technologies is a MOSFET with Continous Drain Current 90 A, Drain Source Resistance 2.5 to 4.4 Mohms, Drain Source Breakdown Voltage 30 V, Gate Source Voltage 16 V, Gate Source Threshold Voltage 1 to 2.2 V. Tags: Surface Mount. More details for IPD90N03S4L-03 can be seen below.