The ER17S620JR from Gowanda Electronics is a RF Inductor with Inductance 0.62 uH, DC Resistance 0.45 Ohms, DC Current 420 mA, Self Resonant Frequency 190 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER17S620JR can be seen below.