The ER18M561JKR from Gowanda Electronics is a RF Inductor with Inductance 5.6 uH, DC Resistance 0.28 Ohms, DC Current 645 mA, Self Resonant Frequency 50 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER18M561JKR can be seen below.