The ER15M472JR from Gowanda Electronics is a RF Inductor with Inductance 47 uH, DC Resistance 2.75 Ohms, DC Current 170 mA, Self Resonant Frequency 13 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER15M472JR can be seen below.