The ER18M122JKR from Gowanda Electronics is a RF Inductor with Inductance 12 uH, DC Resistance 1.05 Ohms, DC Current 335 mA, Self Resonant Frequency 36 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER18M122JKR can be seen below.