Product family data sheet
Cree® XLamp® CXB1820 LED
PꢀoDuCt DEsCꢀiPtion
fEꢁtuꢀEs
tꢁBLE of ContEnts
Thꢀ XLamp® CXB1820 LeD Array is a
mꢀmbꢀr of thꢀ sꢀcond gꢀnꢀration of
thꢀ CXA family that dꢀliꢁꢀrs up to 30%
higher efficacy and up to 20% higher
lumens than the first generation in the
samꢀ LeS. Thꢀ highꢀr pꢀrformancꢀ
sꢀcond gꢀnꢀration CXA LeD Arrays
proꢁidꢀ a drop-in pꢀrformancꢀ upgradꢀ
to ꢀxisting CXA LeD dꢀsigns to shortꢀn
product dꢀꢁꢀlopmꢀnt timꢀ. In addition,
thꢀ CXB LeDs also allow lighting
manufacturꢀrs to achiꢀꢁꢀ thꢀ samꢀ
or bꢀttꢀr pꢀrformancꢀ with a smallꢀr
LeS, ꢀnabling a smallꢀr, morꢀ impactful
luminairꢀ. Aꢁailablꢀ in 2-stꢀp, 3-stꢀp
and 5-stꢀp easyWhitꢀ® bins and 2-stꢀp
and 3-stꢀp Prꢀmium Color bins, thꢀ
CXB1820 LeD dꢀliꢁꢀrs high lumꢀn
output and high efficacy in a single,
ꢀasy-to-usꢀ packagꢀ that ꢀliminatꢀs thꢀ
need for reflow soldering.
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12-mm optical sourcꢀ
Charactꢀristics............................................2
Opꢀrating Limits..........................................2
Flux Charactꢀristics, easyWhitꢀ® Ordꢀr
Codꢀs and Bins ...........................................3
Flux Charactꢀristics, Prꢀmium Color
Mꢀchanical and optical dꢀsign
consistꢀnt with othꢀr CXA18 and
CXB18 LeDs with a 12-mm optical
sourcꢀ
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Aꢁailablꢀ in 70-, 80-, 90- and
95-minimum CRI options
Crꢀꢀ easyWhitꢀ® 2-, 3- and 5-stꢀp
binning
Ordꢀr Codꢀs and Bins.................................6
Rꢀlatiꢁꢀ Spꢀctral Powꢀr Distribution,
easyWhitꢀ® .................................................7
Rꢀlatiꢁꢀ Spꢀctral Powꢀr Distribution,
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Prꢀmium Color 2- and 3-stꢀp binning
Forward ꢁoltagꢀ option: 36-v class
85 °C binning and characterization
extrꢀmꢀly uniform color oꢁꢀr ꢁiꢀwing
anglꢀ
Prꢀmium Color ............................................7
elꢀctrical Charactꢀristics............................8
Rꢀlatiꢁꢀ Luminous Flux...............................9
Typical Spatial Distribution...................... 10
Pꢀrformancꢀ Groups - Brightnꢀss .......... 10
easyWhitꢀ® Pꢀrformancꢀ Groups -
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Top-sidꢀ soldꢀr connꢀctions
Thꢀrmocouplꢀ attach point
NEMA SSL-3 2011 standard flux bins
RoHS and ReACh compliant
UL® recognized component
(e349212)
Chromaticity............................................. 11
Prꢀmium Color Pꢀrformancꢀ Groups -
Chromaticity............................................. 12
Crꢀꢀ easyWhitꢀ® Bins Plottꢀd on thꢀ
1931 CIe Color Spacꢀ.............................. 13
Crꢀꢀ Prꢀmium Color Bins Plottꢀd on thꢀ
1931 CIe Color Spacꢀ.............................. 14
Bin and Ordꢀr Codꢀ Formats................... 16
Mꢀchanical Dimꢀnsions .......................... 16
Thꢀrmal Dꢀsign........................................ 17
Notꢀs ........................................................ 18
Packaging................................................. 19
Thꢀ CX Family LeD Dꢀsign Guidꢀ
proꢁidꢀs basic information on thꢀ
rꢀquirꢀmꢀnts to usꢀ thꢀ CXB1820 LeD
succꢀssfully in luminairꢀ dꢀsigns.
Copyright © 2015-2017 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree®, XLamp® and
EasyWhite® are registered trademarks and the Cree logo is a trademark of Cree, Inc. UL® and the UR logo are registered trademarks of UL LLC.
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300