The ER17S820JKR from Gowanda Electronics is a RF Inductor with Inductance 0.82 uH, DC Resistance 0.59 Ohms, DC Current 370 mA, Self Resonant Frequency 180 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER17S820JKR can be seen below.