The AC1 Series from Vanguard Electronics is a RF Inductor with Inductance 0.022 to 0.12 uH, DC Resistance 4 to 17.3 mOhms, DC Current 1.5 to 3.5 mA, Self Resonant Frequency 1.1 to 3.2 GHz, Operating Temperature -40 to 85 Degree C. Tags: Air Core Inductor. More details for AC1 Series can be seen below.