The LuckyLight 1004BD2R-B4-2B is a 10 mm (T-3 1/4) Blue Through-Hole LED featuring a round flange package and blue diffused lens. It provides a typical dominant wavelength of 470 nm, typical luminous intensity of 350 mcd at IF = 20 mA, and a 60° viewing angle for uniform blue visual indication. The LED uses a two-pin radial leaded configuration with 2.54 mm lead spacing and a typical forward voltage of 3.0 V at IF = 20 mA. It is suitable for status indication, function indication, control panels, front panel indication, board-level indication, and general electronic equipment.