The AIAC-1812-56NJ-T from Abracon LLC is a RF Inductor with Inductance 0.056 µH, DC Resistance 0.0064 Ohms, DC Current 2.9 A, Self Resonant Frequency 1.5 GHz, Operating Temperature -40 to 125 Degree C. Tags: Air Core Inductor. More details for AIAC-1812-56NJ-T can be seen below.