The ER17S181JKR from Gowanda Electronics is a RF Inductor with Inductance 1.8 uH, DC Resistance 0.14 Ohms, DC Current 755 mA, Self Resonant Frequency 105 MHz, Operating Temperature -55 to 105 Degree C. Tags: Ceramic Inductor, Wire Wound Inductor. More details for ER17S181JKR can be seen below.