The ECS-MPI4040R1-R33-R from ECS Inc. International is a RF Inductor with Inductance 0.33 µH, DC Resistance 14 mOhms, DC Current 4.4 A (RMS), 17 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-R33-R can be seen below.