The ER15M302JR from Gowanda Electronics is a RF Inductor with Inductance 30 uH, DC Resistance 3 Ohms, DC Current 165 mA, Self Resonant Frequency 19 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER15M302JR can be seen below.