The ECS-MPI4040R1 from ECS Inc. International is a RF Inductor with Inductance 0.09 to 10 uH, DC Resistance 8.5 to 370 mOhms, DC Current 1.2 to 8 A, Operating Temperature -55 to 125 Degree C, Quality Factor 276 to 1401. Tags: Ceramic Inductor. More details for ECS-MPI4040R1 can be seen below.