(2) Electro-optical Characteristics

Tc=25C

Chromaticity coordinates ( Condition : IF=1080mA, Tc = 25C）

Note: The tolerance of measurement at our tester is VF+/-3% , Φv+/-10% , Chromaticity(x,y)+/-0.005 and Ra+/-1.

DATA SHEET

3/11

Forward Voltage

Symbol

IF=1080mA

50.4

54.4

Parameter

Condition

-

lm

7065

Min.

Typ.

59.9

V

Max.

Unit

8310

Luminous Flux

CRI

Φv

IF=1080mA

Ra

IF=1080mA

-

C/W

Thermal Resistance

Rj-c

Junction-Case

-

0.4

CITILED

Name

CLL042-1818A5-50KL1A1

CITIZEN ELECTRONICS CO.,LTD. JAPAN

Symbol

65

-

-

-

x

y

Center

0.3473

0.3717

a

0.3572

0.3919

b

0.3397

0.3775

c

0.3387

0.3528

d

0.3536

0.3646

0.36 0.38

x-y chart-CIE1931

0.34

0.35

0.36

0.37

0.38

0.39

0.40

0.32

0.33

0.34

0.35

0.36

0.37

x

Color region

B.B. Locus

4800K

5400K

5000K

4600K

5200K

Ref.CE-P2341 03/13 R1(1013)