3/11
DATA SHEET
Tc=25C
Unit
V
lm
-
(2) Electro-optical Characteristics
Parameter
Forward Voltage
Symbol
VF
Condition
IF=720mA
Min.
33.6
3160
-
Typ.
36.2
3715
65
Max.
39.9
-
-
-
Luminous Flux
Φv
IF=720mA
IF=720mA
CRI
Ra
Rj-c
Thermal Resistance
Junction-Case
-
0.8
C/W
Chromaticity coordinates ( Condition : IF=720mA, Tc = 25C)
x
y
Center
0.3473
0.3572
0.3397
0.3387
0.3536
0.3717
0.3919
0.3775
0.3528
0.3646
a
b
c
d
0.36 0.38
x-y chart-CIE1931
0.40
0.39
0.38
0.37
0.36
0.35
0.34
5400K
5000K
4600K
Color region
B.B. Locus
4800K
5200K
0.32
0.33
0.34
0.35
0.36
0.37
x
Note: The tolerance of measurement at our tester is VF+/-3% , Φv+/-10% , Chromaticity(x,y)+/-0.005 and Ra+/-1.
Symbol
Name
CITILED
CLL032-1212A5-50KL1A1
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P2317 03/13 R1(1013)