The ER18M181JKR from Gowanda Electronics is a RF Inductor with Inductance 1.8 uH, DC Resistance 0.74 Ohms, DC Current 580 mA, Self Resonant Frequency 150 MHz, Operating Temperature -55 to 125 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER18M181JKR can be seen below.