Parameter Symbol Test Condition Value Unit Min. Typ. Max. Forward voltage Vf If=20mA 2.9 -- 3.5 V Luminous intensity Iv If=20mA 1800 2300 -- mcd luminous flux Φ If=20mA 6.0 7.0 7.5 lm Viewing angle at 50% Iv 2 θ 1/2 If=20mA -- 120 -- Deg Reverse current Ir Vr=5V -- -- 10 mA Chromaticity CIE X If=20mA 0.31 0.33 0.345 CIE Y If=20mA 0.31 0.35 0.384