Datasheet L251 (Citizen) - 4

SPECIFICATIONS 4/9 5. Characteristics ◆Forward Current vs. Relative Luminous Flux ◆Forward Current vs. Forward Voltage If - φv Characteristics　　Tc=25℃ If - Vf Characteristics　　Tc=25℃ 1.2 9.6 1.0 9.4 9.2 ) 0.8 ) 9.0 0.6 (V v (a.u FV 8.8 φ 0.4 8.6 0.2 8.4 0.0 8.2 0 200 400 600 800 1000 0 200 400 600 800 1000 If (mA） If (mA） ◆Forward Current vs. Chromaticity Coordinate ◆Case Temperature vs. Chromaticity Coordinate If - Chromaticity Characteristics 　　Tc=25℃ Tc - Chromaticity Characteristics 　　If=720mA 0.020 0.020 0.015 0.015 0.010 0.010 y 0.005 y 0.005 0.000 x,⊿ 0.000 x,⊿ ⊿ -0.005 ⊿ -0.005 -0.010 ⊿x -0.010 ⊿x -0.015 ⊿y -0.015 ⊿y -0.020 -0.020 0 200 400 600 800 1000 0.0 20.0 40.0 60.0 80.0 100.0 If(mA） Tc(℃） Approved Checked Drawn Symbol CITILED Name CL-L251-MC6L1 Drawing No Mark Date Description Appro. CITIZEN ELECTRONICS CO.,LTD. Ref.CE-P407 04/09