The ECS-MPI4040R4 from ECS Inc. International is a RF Inductor with Inductance 0.22 to 22 uH, DC Resistance 5.3 to 316 mOhms, DC Current 1.3 to 10.1 A, Operating Temperature -55 to 125 Degree C, Quality Factor 203 to 2405. Tags: Ceramic Inductor. More details for ECS-MPI4040R4 can be seen below.