The 0603DC-30NX_RW from Coilcraft is a RF Inductor with Inductance 0.03 uH, DC Resistance 0.103 Ohms, DC Current 0.9 to 1.73 A, Self Resonant Frequency 3 GHz, Quality Factor 77, 69, 41. Tags: Wire Wound Inductor, Ceramic Inductor, Chip Inductor. More details for 0603DC-30NX_RW can be seen below.