The 0603DC-R12X_RW from Coilcraft is a RF Inductor with Inductance 0.12 uH, DC Resistance 0.765 Ohms, DC Current 0.26 to 0.6 A, Self Resonant Frequency 1.2 GHz, Quality Factor 52. Tags: Wire Wound Inductor, Ceramic Inductor, Chip Inductor. More details for 0603DC-R12X_RW can be seen below.