The AISM-1812-4R7K-T from Abracon LLC is a RF Inductor with Inductance 4.7 µH, DC Resistance 1 Ohms, DC Current 315 mA, Self Resonant Frequency 35 MHz, Operating Temperature -40 to 85 Degree C. Tags: Wire Wound Inductor, Chip Inductor, Molded Inductor. More details for AISM-1812-4R7K-T can be seen below.