The ER17S271JKR from Gowanda Electronics is a RF Inductor with Inductance 2.7 uH, DC Resistance 0.28 Ohms, DC Current 535 mA, Self Resonant Frequency 92 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER17S271JKR can be seen below.