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DATASHEET
Tc=25C
Unit
V
lm
-
(2) Electro-optical Characteristics
Parameter
Symbol
Condition
IF=350mA
Min.
2.75
87
80
-
Typ.
3.01
116
-
Max.
3.35
-
-
-
VF
Forward Voltage
Luminous Flux
Φv
IF=350mA
IF=350mA
CRI
Ra
Rj-s
Thermal Resistance
Junction-Solder
9.0
C/W
Chromaticity coordinates ( Condition : IF=350mA, Ts = 25C）
Center
Reference (ANSI C78.377)
x
x
y
y
0.4073
0.3917
Center 0.4073 0.3917
Oval parameter
a
b
c
0.4299 0.4165
0.3996 0.4015
0.3889 0.3690
0.4147 0.3814
3500K
a
b
0.00951
0.00417
52.97
θ°
d
*Color region stay within MacAdam "3-step" ellipse from the chromaticity center.
*The chromaticity center refers to ANSI C78.377:2008.
*θ is the angle between the major axis of the ellipse and the x-axis,
and a and b are the major and minor semi-axes of an ellipse. (Ref. IEC 60081:1997 AnnexD)
x-y chart-CIE1931
0.43
3500K
3900K
0.42
0.41
0.40
0.39
0.38
0.37
0.36
3100K
Color region
Color region
(ANSI)
B.B. Locus
3700K
0.39
3300K
0.38
0.40
0.41
x
0.42
0.43
0.44
Note: The tolerance of measurement at our tester is VF+/-3% , Φv+/-10% , Chromaticity(x,y)+/-0.005 and Ra+/-1.
(3) Ranking information
Parameter
Synbol
VF
Rank
Min
2.75
2.95
3.15
87
Max
2.95
3.15
3.35
116
Unit
V
Q
R
S
C
D
Forward Voltage
Luminous Flux
φv
lm
116
145
Symbol
Name
CITIZEN ELECTRONICS CO.,LTD. JAPAN
CITILED
CL-L400-MC1WW1-B
Ref.CE-P2171 10/12
CITIZEN [ CITIZEN ELECTRONICS CO., LTD. ]
