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CXA2520 Fiches technique(PDF) 8 Page - Cree, Inc

No de pièce CXA2520
Description  6-Inch Downlight Reference Design
Download  12 Pages
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Fabricant  CREE [Cree, Inc]
Site Internet  http://www.cree.com/
Logo CREE - Cree, Inc

CXA2520 Fiches technique(HTML) 8 Page - Cree, Inc

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8
XLamp CXa2520 LED
6-inCh DownLight
REfEREnCE DEsign
Copyright © 2013 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree®, the Cree logo and XLamp® are registered trademarks
of Cree, Inc. For product specifications, please see the data sheets available at www.cree.com. For warranty information, please contact Cree Sales at sales@cree.com.
figure 6: cXA2520 downlight reflector
4.
CALCuLAtE thE numbER of LEDs
The purpose of this reference design is to show that a single XLamp CXA2520 LED can deliver equivalent lighting utility
and superior performance compared to existing 42-w cFl downlights on the market. The cXa2520 leD is a multi-chip
LED package that can offer the required lumens with new levels of LED‑to‑LED color consistency and efficiency. The new
Xlamp cXa2520 leD is 15% brighter than the original cXa2011,8 which can enable superior leD lighting designs even
more quickly.
we selected a warm white leD for this reference design, shown highlighted in yellow in Table 6. By choosing an leD
from a mid‑level flux bin, we ensured that the design uses an LED that is readily available.
Color
CCt
Range
base order Codes
min. Luminous flux
@ 550 mA
2-step order Code
4-step order Code
group
flux
(lm) @
85 °C
flux
(lm) @
25 °C*
Chromaticity
Region
Chromaticity
Region
easywhite
4000K
Q2
2100
2379
40H
CXA2520‑0000‑000N00Q240H
40F
CXA2520‑0000‑000N00Q240F
Q4
2260
2560
CXA2520‑0000‑000N00Q440H
CXA2520‑0000‑000N00Q440F
r2
2420
2741
cXa2520-0000-000N00r240H
cXa2520-0000-000N00r240F
3500K
p4
1965
2226
35H
cXa2520-0000-000N00p435H
35F
cXa2520-0000-000N00p435F
Q2
2100
2379
CXA2520‑0000‑000N00Q235H
CXA2520‑0000‑000N00Q235F
Q4
2260
2560
CXA2520‑0000‑000N00Q435H
CXA2520‑0000‑000N00Q435F
3000K
p4
1965
2226
30H
cXa2520-0000-000N00p430H
30F
cXa2520-0000-000N00p430F
Q2
2100
2379
CXA2520‑0000‑000N00Q230H
CXA2520‑0000‑000N00Q230F
2700K
p2
1830
2073
27H
cXa2520-0000-000N00p227H
27F
cXa2520-0000-000N00p227F
p4
1965
2226
cXa2520-0000-000N00p427H
cXa2520-0000-000N00p427F
Q2
2100
2379
CXA2520‑0000‑000N00Q227H
CXA2520‑0000‑000N00Q227F
table 6: CXA2520 LED order codes
8
At 1 A, junction temperature (T
J)
= 85 °C


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