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CXA2530-0000-000N00T240H Fiches technique(PDF) 11 Page - Cree, Inc

No de pièce CXA2530-0000-000N00T240H
Description  Retail Track Light Reference Design
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Fabricant  CREE [Cree, Inc]
Site Internet  http://www.cree.com/
Logo CREE - Cree, Inc

CXA2530-0000-000N00T240H Fiches technique(HTML) 11 Page - Cree, Inc

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XLAMP CXA2530/CXA2540 RETAIL TRACK LIGHT 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
and EasyWhite™ is a trademark 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.
Results
Thermal Results
we measured the thermal performance of the retail track light by attaching a thermocouple to the XLamp CXA2530 LeD
mounted to the heat sink. The T
SP of the CXA2530 retail track light was 63.5 °C.
Based on the measured solder point temperature, the T
J can be calculated as follows.
T
J = TSP + (LeD power * LeD thermal resistance)
T
J = 63.5 °C + (42 w * 0.8 °C/w)
T
J = 97 °C
This thermal performance is in line with the thermal simulation.
Estimated LED Lifetime
Based on thousands of hours of long-term testing of the XLamp CXA2011 LeD at higher temperatures than the measured
63.5 °C T
SP in this reference design, Cree expects an L70 lifetime for this retail track light significantly longer than the
50,000-hour goal. 39-w CmH lamps typically have lifetimes ranging from 10,000 to 12,000 hours, so the 4 to 5 times
longer lifetime of the CXA2530 retail track light offers compelling maintenance cost savings.
Optical and Electrical Results
we obtained the results in Table 8 by testing the retail track light in a 1.5-meter sphere and a Type A goniometer after a
60-minute stabilization time.16 The performance meets or exceeds the project goals and accomplishes this using a single
XLamp CXA2530 LeD to produce a symmetric 16° beam with CBCP exceeding 20,000 cd.
Characteristic
unit
Result
Light output
lm
3211
Light intensity - CBCP
cd
20,470
Beam angle - FWHM
degrees
16
Luminaire efficacy
lm/w
75.5
CCT
K
3048
CrI
100-point scale
80
Power
w
42.6
Power factor
0.95
Table 8: CXA2530 retail track light results
We also tested the intensity distribution of the CXA2530 retail track light. As shown in Figure 6, the retail track light has
an even intensity distribution for the narrow beam angle.
16 Testing was performed at Cree’s Shenzhen Technology Center. An IES file for the retail track light is available on the Cree website:
www.cree.com/xlamp_app_notes/CXA2530_track_ies


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