The ER17S821JKR from Gowanda Electronics is a RF Inductor with Inductance 8.2 uH, DC Resistance 1.32 Ohms, DC Current 245 mA, Self Resonant Frequency 50 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER17S821JKR can be seen below.