The ER18M681JKR from Gowanda Electronics is a RF Inductor with Inductance 6.8 uH, DC Resistance 0.375 Ohms, DC Current 560 mA, Self Resonant Frequency 50 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER18M681JKR can be seen below.