The 0402DC-23NX_R_ from Coilcraft is a RF Inductor with Inductance 0.023 uH, DC Resistance 0.177 Ohms, DC Current 0.5 to 0.97 A, Self Resonant Frequency 4.98 GHz, Operating Temperature -40 to 125 Degree C. Tags: Wire Wound Inductor, Ceramic Inductor, Chip Inductor. More details for 0402DC-23NX_R_ can be seen below.