The ER17S513JR from Gowanda Electronics is a RF Inductor with Inductance 510 uH, DC Resistance 10.5 Ohms, DC Current 90 mA, Self Resonant Frequency 4.7 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER17S513JR can be seen below.