The 0402DC-R12X_R_ from Coilcraft is a RF Inductor with Inductance 0.12 uH, DC Resistance 1.6 Ohms, DC Current 0.16 to 0.3 A, Self Resonant Frequency 2.2 GHz, Operating Temperature -40 to 125 Degree C. Tags: Wire Wound Inductor, Ceramic Inductor, Chip Inductor. More details for 0402DC-R12X_R_ can be seen below.