The ER15M512JR from Gowanda Electronics is a RF Inductor with Inductance 51 uH, DC Resistance 2.85 Ohms, DC Current 167 mA, Self Resonant Frequency 12.7 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER15M512JR can be seen below.