The ECS-MPI4040R4-2R2-R from ECS Inc. International is a RF Inductor with Inductance 2.2 µH, DC Resistance 36 mOhms, DC Current 3.9 A (RMS), 5.7 A (Saturated), Self Resonant Frequency 20 kHz to 10 MHz, Operating Temperature -55 to 125 Degree C. Tags: Chip Inductor. More details for ECS-MPI4040R4-2R2-R can be seen below.