The MLRF1010-391K from Gowanda Electronics is a RF Inductor with Inductance 3.9 uH, DC Resistance 1.55 Ohms, DC Current 250 mA, Self Resonant Frequency 68 MHz, Operating Temperature -55 to 125 Degree C. Tags: Ceramic Inductor. More details for MLRF1010-391K can be seen below.