The ECS-MPI4040R2 from ECS Inc. International is a RF Inductor with Inductance 0.47 to 10 uH, DC Resistance 13 to 240 mOhms, DC Current 1.5 to 6.4 A, Operating Temperature -55 to 125 Degree C, Quality Factor 271 to 1403. Tags: Ceramic Inductor. More details for ECS-MPI4040R2 can be seen below.