The SRR4818A-Series from Bourns is a Power Inductor with Inductance 1 to 47 µH, Inductance Tolerance ± 30 %, DCR 19.2 to 630 milli-ohm, Saturation Current 470 to 3600 mA, SRF 16 to 140 MHz. Tags: Surface Mount. More details for SRR4818A-Series can be seen below.