The 0603DC-18NX_RW from Coilcraft is a RF Inductor with Inductance 0.018 uH, DC Resistance 0.078 Ohms, DC Current 1 to 2 A, Self Resonant Frequency 2.95 GHz, Quality Factor 80, 72, 50. Tags: Wire Wound Inductor, Ceramic Inductor, Chip Inductor. More details for 0603DC-18NX_RW can be seen below.