The ER17S683JKR from Gowanda Electronics is a RF Inductor with Inductance 680 uH, DC Resistance 11.8 Ohms, DC Current 80 mA, Self Resonant Frequency 4.5 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER17S683JKR can be seen below.