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CXA2520-0000-000N00Q230F Datasheet(PDF) 8 Page - Cree, Inc |
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CXA2520-0000-000N00Q230F Datasheet(HTML) 8 Page - Cree, Inc |
8 / 12 page 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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