The SSPI575730-4R2NU from Venkel is a Power Inductor with Inductance 4.2 µH, Inductance Tolerance ±30 %, DCR 31 milli-ohm, Saturation Current 2.20 A, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for SSPI575730-4R2NU can be seen below.