The AISC-1210-R39K-T from Abracon LLC is a RF Inductor with Inductance 0.39 µH, DC Resistance 580 mOhms, DC Current 0.53 A, Self Resonant Frequency 510 MHz, Operating Temperature -40 to 125 Degree C. Tags: Wire Wound Inductor, Ceramic Inductor. More details for AISC-1210-R39K-T can be seen below.