Datasheet L251 (Citizen) - 3

SPECIFICATIONS 3/9 ( 2 ) Electro-optical Characteristics ( Tc=25℃ ) Parameter Symbol Condition MIN TYP MAX Unit Forward Voltage VF IF=720mA 8.75 9.30 10.5 V Reverse Current IR VR=15V - - 100 μA Thermal resistance RJ-C Junction-case - 4.0 - ℃/W Luminous Flax φV IF=720mA 310 390 - lm High General Color Ra IF=720mA 80 85 - - Rendering Index Chromaticity coordinates ( Condition : IF=720mA ,Tc=25℃ 0 0 Color Rank x y 0.4562 0.4260 0.4299 0.4165 L1 0.4147 0.3814 0.4373 0.3893 0.4562 0.4260 0.43 0.42 0.41 0.40 y 0.39 0.38 0.37 0.36 0.40 0.41 0.42 0.43 0.44 0.45 0.46 x Note 1) The tolerance of measurement at our tester is VF±3% , φv±10% , Chromaticity(x,y)±0.01. Note 2) For handling ,please apply CMOS LSI or equivalent any electrostatic effect. Approved Checked Drawn Symbol CITILED Name CL-L251-MC6L1 Drawing No Mark Date Description Appro. CITIZEN ELECTRONICS CO.,LTD. Ref.CE-P407 04/09