The AC3 Series from Vanguard Electronics is a RF Inductor with Inductance 0.00165 to 0.043 uH, DC Resistance 20 mOhms, DC Current 1.2 to 3 A, Self Resonant Frequency 1.2 to 6 GHz, Operating Temperature -55 to 125 Degree C. Tags: Air Core Inductor. More details for AC3 Series can be seen below.