The ER18M331JKR from Gowanda Electronics is a RF Inductor with Inductance 3.3 uH, DC Resistance 0.14 Ohms, DC Current 945 mA, Self Resonant Frequency 70 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER18M331JKR can be seen below.