4/9
SPECIFICATIONS
5. Characteristics
Forward Current vs. Forward Voltage
Forward Current vs. Relative Luminous Flux
Tc=25C
Tc=25C
10.5
10.0
9.5
140%
120%
100%
80%
60%
40%
20%
0%
9.0
8.5
8.0
7.5
0
100 200 300 400 500
IF [mA]
0
100 200 300 400 500
IF [mA]
Forward Current vs. Chromaticity Coordinate
Tc=25C
Case Temperature vs. Chromaticity Coordinate
IF=480mA
0.020
0.015
0.010
0.005
0.000
-0.005
-0.010
-0.015
-0.020
0.020
Δx
Δy
Δx
0.015
Δy
0.010
0.005
0.000
-0.005
-0.010
-0.015
-0.020
0
100 200 300 400 500
IF [mA]
0
20
40
Tc [C]
60
80
100
Approved
Checked Drawn
Symbol
Name
CITILED
CL-L251-MC4N1-C
Drawing No
Issue of first edition
Description Appro.
-
2010/3/1
CITIZEN ELECTRONICS CO.,LTD.
Ref.CE-P594 03/10
Mark Date