The 28MG331K from Gowanda Electronics is a RF Inductor with Inductance 3.3 uH, DC Resistance 305 mOhms, DC Current 1.15 A, Self Resonant Frequency 100 MHz, Operating Temperature -55 to 125 Degree C. Tags: Non-Magnetic Inductor, Molded Inductor. More details for 28MG331K can be seen below.