The AISC-1210HS-3R9K-T from Abracon LLC is a RF Inductor with Inductance 3.9 µH, DC Resistance 800 mOhms, DC Current 0.6 A, Self Resonant Frequency 90 MHz, Operating Temperature -40 to 85 Degree C. Tags: Wire Wound Inductor. More details for AISC-1210HS-3R9K-T can be seen below.