The 0402FL-121XJR_ from Coilcraft is a RF Inductor with Inductance 0.12 uH, DC Resistance 0.17 Ohms, DC Current 420 to 810 mA, Self Resonant Frequency 1950 MHz, Operating Temperature -40 to 125 Degree C. Tags: Chip Inductor, Wire Wound Inductor. More details for 0402FL-121XJR_ can be seen below.