The P1812R-122K from API Delevan is a Power Inductor with Inductance 1.2 µH, Inductance Tolerance ±10 %, DCR 199 milli-ohm, Saturation Current 2158 mA, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for P1812R-122K can be seen below.