The ER18M202JR from Gowanda Electronics is a RF Inductor with Inductance 20 uH, DC Resistance 2.2 Ohms, DC Current 230 mA, Self Resonant Frequency 24 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER18M202JR can be seen below.