The ER15M202JR from Gowanda Electronics is a RF Inductor with Inductance 20 uH, DC Resistance 2.5 Ohms, DC Current 175 mA, Self Resonant Frequency 30 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER15M202JR can be seen below.