The AIAC-1812-R12J-T from Abracon LLC is a RF Inductor with Inductance 0.12 µH, DC Resistance 0.0111 Ohms, DC Current 2.2 A, Self Resonant Frequency 1.1 GHz, Operating Temperature -40 to 125 Degree C. Tags: Air Core Inductor. More details for AIAC-1812-R12J-T can be seen below.