The ER17S621JR from Gowanda Electronics is a RF Inductor with Inductance 6.2 uH, DC Resistance 1.02 Ohms, DC Current 280 mA, Self Resonant Frequency 55 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER17S621JR can be seen below.