The 28MG181K from Gowanda Electronics is a RF Inductor with Inductance 1.8 uH, DC Resistance 135 mOhms, DC Current 1.75 A, Self Resonant Frequency 140 MHz, Operating Temperature -55 to 125 Degree C. Tags: Non-Magnetic Inductor, Molded Inductor. More details for 28MG181K can be seen below.