The ECS-MPI4040R1-R22-R from ECS Inc. International is a RF Inductor with Inductance 0.23 µH, DC Resistance 12 mOhms, DC Current 5.5 A (RMS), 21 A (Saturated), Self Resonant Frequency 20 kHz to 10 MHz, Operating Temperature -55 to 125 Degree C. Tags: Chip Inductor. More details for ECS-MPI4040R1-R22-R can be seen below.