The ER17S470JKR from Gowanda Electronics is a RF Inductor with Inductance 0.47 uH, DC Resistance 0.25 Ohms, DC Current 565 mA, Self Resonant Frequency 235 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER17S470JKR can be seen below.