The 0603AF-681XJR_ from Coilcraft is a RF Inductor with Inductance 0.68 µH, DC Resistance 0.46 Ohms, DC Current 0.49 A(Irms), Self Resonant Frequency 530 MHz, Operating Temperature -40 to 85 Degree C. Tags: Chip Inductor, Wire Wound Inductor. More details for 0603AF-681XJR_ can be seen below.