The SP1210R-821K from API Delevan is a Power Inductor with Inductance 0.82 µH, Inductance Tolerance ±10 %, DCR 133 milli-ohm, Saturation Current 1420 mA, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for SP1210R-821K can be seen below.