The AIAC-2712C-28N0J-T from Abracon LLC is a RF Inductor with Inductance 0.028 µH, DC Resistance 0.0056 Ohms, DC Current 2.8 A, Self Resonant Frequency 1.8 GHz, Operating Temperature -40 to 125 Degree C. Tags: Air Core Inductor. More details for AIAC-2712C-28N0J-T can be seen below.