The MPX1D0530L3R3 from Kemet Corporation is a Power Inductor with Inductance 3.30 µH, Inductance Tolerance ±20 %, DCR 37.20 to 42.80 milli-ohm, Saturation Current 4000 to 5500 mA, SRF 29 MHz. Tags: Surface Mount. More details for MPX1D0530L3R3 can be seen below.