The SML-D1x (with a dash in the part number) series has an extensive lineup with many different colors ranging from a wavelength of 560 nm (green) up to 630 nm (violet). Within this series, there are four sub-categories depending on the brightness level. The SML-D15 is a single rank type with the highest brightness from the family. It eliminates light intensity variations within and between products, which ensures improved performance of the end application.