Datasheet

1010
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®
, the Cree logo, XLamp
®
and EasyWhite
®
are registered trademarks of Cree,
Inc. UL
®
and the UR logo are registered trademarks of UL LLC.
10
XLamp
®
CXa1816 LED
PERFORMANCE GROUPS - CHROMATICITY (T
J

XLamp CXA1816 LEDs are tested for chromaticity and placed into one of the regions dened by the following bounding coordinates.
EasyWhite Color Temperatures – 2-Step
Code CCT x y
50H 5000 K
0.3429 0.3507
0.3434 0.3571
0.3475 0.3604
0.3469 0.3539
40H 4000 K
0.3784 0.3741
0.3804 0.3818
0.3867 0.3857
0.3844 0.3778
35H 3500 K
0.4030 0.3857
0.4061 0.3941
0.4132 0.3976
0.4099 0.3890
30H 3000 K
0.4291 0.3973
0.4333 0.4062
0.4395 0.4084
0.4351 0.3994
27H 2700 K
0.4528 0.4046
0.4578 0.4138
0.4638 0.4152
0.4586 0.4060
EasyWhite Color Temperatures – 3-Step Ellipse
Bin Code CCT
Center Point Major Axis Minor Axis
Rotation Angle

x y a b
50G 5000K 0.3447 0.3553 0.00840 0.00312 65.0
40G 4000K 0.3818 0.3797 0.00939 0.00402 53.7
35G 3500K 0.4073 0.3917 0.00927 0.00414 54.0
30G 3000K 0.4338 0.4030 0.00834 0.00408 53.2
27G 2700K 0.4577 0.4099 0.00834 0.00420 48.5