The 0603AF-15NXJR_ from Coilcraft is a RF Inductor with Inductance 0.015 µH, DC Resistance 0.023 Ohms, DC Current 2.1 A(Irms), Self Resonant Frequency 3500 MHz, Operating Temperature -40 to 85 Degree C. Tags: Chip Inductor, Wire Wound Inductor. More details for 0603AF-15NXJR_ can be seen below.