The PB2020.472NL from Pulse Electronics is a Power Inductor with Inductance 4 µH, Inductance Tolerance ±20 %, DCR 3.96 milli-ohm, Saturation Current 28000 mA, Temperature Operating Range -40 to 130 Degree C. Tags: Surface Mount. More details for PB2020.472NL can be seen below.