The AISM-1812-390K-T from Abracon LLC is a RF Inductor with Inductance 39 µH, DC Resistance 4.5 Ohms, DC Current 150 mA, Self Resonant Frequency 10 MHz, Operating Temperature -40 to 85 Degree C. Tags: Wire Wound Inductor, Chip Inductor, Molded Inductor. More details for AISM-1812-390K-T can be seen below.