The ER10M390JKR from Gowanda Electronics is a RF Inductor with Inductance 0.39 uH, DC Resistance 0.3 Ohms, DC Current 700 mA, Self Resonant Frequency 365 MHz, Operating Temperature -55 to 125 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER10M390JKR can be seen below.