The 0402DC-4N4X_R_ from Coilcraft is a RF Inductor with Inductance 0.0044 uH, DC Resistance 0.048 Ohms, DC Current 0.96 to 1.85 A, Self Resonant Frequency 13.55 GHz, Operating Temperature -40 to 125 Degree C. Tags: Wire Wound Inductor, Ceramic Inductor, Chip Inductor. More details for 0402DC-4N4X_R_ can be seen below.