The ER10M203JR from Gowanda Electronics is a RF Inductor with Inductance 200 uH, DC Resistance 21 Ohms, DC Current 52 mA, Self Resonant Frequency 9 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER10M203JR can be seen below.