The ER18M430JR from Gowanda Electronics is a RF Inductor with Inductance 0.43 uH, DC Resistance 0.085 Ohms, DC Current 1700 mA, Self Resonant Frequency 300 MHz, Operating Temperature -55 to 125 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER18M430JR can be seen below.