The 28MG471K from Gowanda Electronics is a RF Inductor with Inductance 4.7 uH, DC Resistance 560 mOhms, DC Current 0.86 A, Self Resonant Frequency 90 MHz, Operating Temperature -55 to 125 Degree C. Tags: Non-Magnetic Inductor, Molded Inductor. More details for 28MG471K can be seen below.