The ER15M122JKR from Gowanda Electronics is a RF Inductor with Inductance 12 uH, DC Resistance 1.1 Ohms, DC Current 265 mA, Self Resonant Frequency 42 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER15M122JKR can be seen below.