The 0603AF-561XJR_ from Coilcraft is a RF Inductor with Inductance 0.56 µH, DC Resistance 0.49 Ohms, DC Current 0.53 A(Irms), Self Resonant Frequency 520 MHz, Operating Temperature -40 to 85 Degree C. Tags: Chip Inductor, Wire Wound Inductor. More details for 0603AF-561XJR_ can be seen below.