The ECS-MPI4040R4-100-R from ECS Inc. International is a RF Inductor with Inductance 10 µH, DC Resistance 125 mOhms, DC Current 1.9 A (RMS), 2.6 A (Saturated), Self Resonant Frequency 20 kHz to 10 MHz, Operating Temperature -55 to 125 Degree C. Tags: Chip Inductor. More details for ECS-MPI4040R4-100-R can be seen below.