The SMP1210S-331K from Gowanda Electronics is a Power Inductor with Inductance 3.3 µH, Inductance Tolerance 0.1, DCR 270 milli-ohm, Saturation Current 884 mA, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for SMP1210S-331K can be seen below.