The ST563-3F from Piconics is a RF Inductor with Inductance 28 to 56 uH, DC Resistance 10.6 Ohms, DC Current 0.035 A, Self Resonant Frequency 6.3 MHz, Operating Temperature -55 to 125 Degree C. Tags: Thin Film Inductor. More details for ST563-3F can be seen below.