The 0603DC-39NX_RW from Coilcraft is a RF Inductor with Inductance 0.039 uH, DC Resistance 0.163 Ohms, DC Current 0.68 to 1.35 A, Self Resonant Frequency 2.15 GHz, Quality Factor 73, 56. Tags: Wire Wound Inductor, Ceramic Inductor, Chip Inductor. More details for 0603DC-39NX_RW can be seen below.