CLD-DS67 Rev 9A
Product family data sheet
Cree
®
XLamp
®
CXA2540 LED
ProDuCt DEsCriPtion
The
XLamp
®
CXA2540
LeD
array
expands Cree’s family of high‑flux,
multi‑die integrated arrays, offering
high performance in an easy‑to‑use
platform. With XLamp LED lighting‑
class
reliability,
the
CXA2540’s
fEAturEs
•
Available in 4‑step, 3‑step and 2‑step
EasyWhite
®
bins at 2700 K, 3000 K,
3500 K, 4000 K & 5000 K CCT and
4‑step EasyWhite bins at 5700 K &
6500 K CCT
•
Available in ANSI white bins at
4000 K, 5000 K, 5700 K & 6500 K
CCT
•
•
•
•
•
•
•
•
•
Available in 70‑, 80‑, 90‑ and
93‑minimum CRI options
Forward voltage option: 36‑V class
85 °C binning and characterization
Maximum drive current: 2100 mA
115° viewing angle, uniform
chromaticity profile
Top‑side solder connections
Thermocouple attach point
NEMA SSL‑3 2011 standard flux bins
Mechanical and optical footprint
consistent with CXA2520 and
CXA2530
•
•
RoHS and REACh compliant
UL
®
recognized component
(E349212)
tAbLE of ContEnts
Characteristics ............................................2
Operating Limits ..........................................2
Flux Characteristics, EasyWhite
®
Order
Codes and Bins
...........................................3
Flux Characteristics, ANSI White Order
Codes and Bins
...........................................6
Relative Spectral Power Distribution .........7
Electrical Characteristics ............................7
Relative Luminous Flux ...............................8
Typical Spatial Distribution.........................9
Performance Groups ‑ Brightness .............9
Performance Groups ‑ Chromaticity .......
10
Cree EasyWhite
®
Bins Plotted on the
1931 CIE Color Space .............................. 13
Cree ANSI White Bins Plotted on the
1931 CIE Color Space .............................. 13
Bin and Order Code Formats ...................
14
Mechanical Dimensions
..........................
14
Thermal Design
........................................
15
Notes ........................................................
16
Packaging .................................................
17
uniform emitting surface enables both
directional and non‑directional lighting
applications and luminaire and lamp
designs. Available in 2‑step, 3‑step and
4‑step color consistency, and featuring
a 19‑mm optical source, the CXA2540
brings new levels of flux and efficacy to
this form factor.
The
CX Family LED Design Guide
provides basic information on the
requirements to use the CXA2540 LED
successfully in luminaire designs.
WWW.CREE.Com/XLAmp
Copyright © 2013-2017 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
XLamp
®
CXa2540 LED
ChArACtEristiCs
Characteristics
Viewing angle (FWHM)
ESD withstand voltage (HBM per Mil‑Std‑883D)
DC forward current
Reverse current
Forward voltage (@ 1100 mA, T
j
= 85 °C)
Forward voltage (@ 1100 mA, T
j
= 25 °C)
unit
degrees
v
mA
mA
v
v
36.2
42
Minimum
typical
115
8000
2100*
0.1
Maximum
*
Refer to the Operating Limits section.
oPErAting LiMits
The maximum current rating of the CXA2540 depends on the case temperature (Tc) when the LED has reached thermal equilibrium under
steady‑state operation. The graph shown below assumes that the system design employs good thermal management (thermal interface
material and heat sink) and may vary when poor thermal management is employed. Please refer to the Mechanical Drawings section on
page 14 for the location of the Tc measurement point.
Another important factor in good thermal management is the temperature of the Light Emitting Surface (LES). Cree recommends a
maximum LES temperature of 135 °C to ensure optimal LED lifetime. Please refer to the Thermal Design section on page 15 for more
information on LES temperature measurement.
CXA2540
2400
2100
1800
1500
If (mA)
1200
900
600
300
0
0
25
50
75
100
125
150
Case Temperature (°C)
Copyright © 2013-2017 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.
2
XLamp
®
CXa2540 LED
fLuX ChArACtEristiCs, EAsyWhitE
®
orDEr CoDEs AnD bins (i
f
= 1100 mA,
t
J
= 85 °C)
The following table provides order codes for XLamp CXA2540 LEDs. For a complete description of the order code nomenclature, please
see the Bin and Order Code Formats section (page 14).
Cri
Min
typ
Minimum Luminous flux
group
W2
70
75
W4
X2
6500 K
v4
80
---
W2
W4
W2
70
75
W4
X2
5700 K
v4
80
---
W2
W4
W2
70
75
W4
X2
v4
5000 K
80
---
W2
W4
U2
90
95
U4
v2
4545
4860
5225
4860
5225
5590
4545
4860
5225
3680
3955
4230
5083
5435
5843
5435
5843
6244
5083
5435
5843
4115
4391
4730
50H
50H
50H
CXA2540-0000-
000N00W250H
CXA2540-0000-
000N00W450H
CXA2540-0000-
000N00X250H
CXA2540-0000-
000N0HV450H
CXA2540-0000-
000N0HW250H
CXA2540-0000-
000N0HW450H
CXA2540-0000-
000N0UU250H
CXA2540-0000-
000N0UU450H
CXA2540-0000-
000N0UV250H
50G
CXA2540-0000-
000N0UU450G
CXA2540-0000-
000N0UV250G
50F
50G
CXA2540-0000-
000N0HW250G
CXA2540-0000-
000N0HW450G
50F
50F
57F
4545
4860
5225
4860
5225
5590
5083
5435
5843
5435
5843
6244
57F
65F
Flux (lm)
@ 85 °C
4860
5225
5590
Flux (lm)
@ 25 °C*
5435
5843
6244
65F
group
2-step
order Code
group
3-step
order Code
group
4-step
order Code
CXA2540-0000-
000N00W265F
CXA2540-0000-
000N00W465F
CXA2540-0000-
000N00X265F
CXA2540-0000-
000N0HV465F
CXA2540-0000-
000N0HW265F
CXA2540-0000-
000N0HW465F
CXA2540-0000-
000N00W257F
CXA2540-0000-
000N00W457F
CXA2540-0000-
000N00X257F
CXA2540-0000-
000N0HV457F
CXA2540-0000-
000N0HW257F
CXA2540-0000-
000N0HW457F
CXA2540-0000-
000N00W250F
CXA2540-0000-
000N00W450F
CXA2540-0000-
000N00X250F
CXA2540-0000-
000N0HV450F
CXA2540-0000-
000N0HW250F
CXA2540-0000-
000N0HW450F
CXA2540-0000-
000N0UU250F
CXA2540-0000-
000N0UU450F
CXA2540-0000-
000N0UV250F
nominal
CCt
Notes
•
Cree maintains a tolerance of ±7% on flux and power measurements, ±0.005 on chromaticity (CCx, CCy) measurements and a tolerance of ±2 on CRI
measurements. See the Measurements section (page 16).
•
Cree XLamp CXA2540 LED order codes specify only a minimum flux bin and not a maximum. Cree may ship reels in flux bins higher than the minimum
specified by the order code without advance notice. Shipments will always adhere to the chromaticity bin restrictions specified by the order code.
*
Flux values @ 25 °C are calculated and for reference only.
Copyright © 2013-2017 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.
3
XLamp
®
CXa2540 LED
fLuX ChArACtEristiCs, EAsyWhitE
®
orDEr CoDEs AnD bins (i
f
= 1100 mA,
t
J
= 85 °C) - Continued
nominal
CCt
Cri
Min
typ
Minimum Luminous flux
group
v4
70
75
W2
W4
v2
4000 K
80
---
v4
W2
T4
90
95
U2
U4
v2
80
---
v4
W2
3500 K
T2
93
95
T4
U2
3200
3440
3680
3552
3818
4115
35H
Flux (lm)
@ 85 °C
4545
4860
5225
4230
4545
4860
3440
3680
3955
4230
4545
4860
Flux (lm)
@ 25 °C*
5083
5435
5843
4730
5083
5435
3818
4115
4423
4730
5083
5435
35H
40H
40H
40H
group
2-step
order Code
CXA2540-0000-
000N00V440H
CXA2540-0000-
000N00W240H
CXA2540-0000-
000N00W440H
CXA2540-0000-
000N0HV240H
CXA2540-0000-
000N0HV440H
CXA2540-0000-
000N0HW240H
CXA2540-0000-
000N0UT40H
CXA2540-0000-
000N0UU240H
CXA2540-0000-
000N0UU440H
CXA2540-0000-
000N00V235H
CXA2540-0000-
000N00V435H
CXA2540-0000-
000N00W235H
CXA2540-0000-
000N0YT235H
CXA2540-0000-
000N0YT435H
CXA2540-0000-
000N0YU235H
35G
CXA2540-0000-
000N0YT435G
CXA2540-0000-
000N0YU235G
35F
35G
CXA2540-0000-
000N00V435G
CXA2540-0000-
000N00W235G
35F
40G
CXA2540-0000-
000N0UU240G
CXA2540-0000-
000N0UU440G
40F
40G
CXA2540-0000-
000N0HV440G
CXA2540-0000-
000N0HW240G
40F
40F
group
3-step
order Code
group
4-step
order Code
CXA2540-0000-
000N00V440F
CXA2540-0000-
000N00W240F
CXA2540-0000-
000N00W440F
CXA2540-0000-
000N0HV240F
CXA2540-0000-
000N0HV440F
CXA2540-0000-
000N0HW240F
CXA2540-0000-
000N0UT440F
CXA2540-0000-
000N0UU240F
CXA2540-0000-
000N0UU440F
CXA2540-0000-
000N00V235F
CXA2540-0000-
000N00V435F
CXA2540-0000-
000N00W235F
CXA2540-0000-
000N0YT235F
CXA2540-0000-
000N0YT435F
CXA2540-0000-
000N0YU235F
Notes
•
Cree maintains a tolerance of ±7% on flux and power measurements, ±0.005 on chromaticity (CCx, CCy) measurements and a tolerance of ±2 on CRI
measurements. See the Measurements section (page 16).
•
Cree XLamp CXA2540 LED order codes specify only a minimum flux bin and not a maximum. Cree may ship reels in flux bins higher than the minimum
specified by the order code without advance notice. Shipments will always adhere to the chromaticity bin restrictions specified by the order code.
*
Flux values @ 25 °C are calculated and for reference only.
Copyright © 2013-2017 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.
4
XLamp
®
CXa2540 LED
fLuX ChArACtEristiCs, EAsyWhitE
®
orDEr CoDEs AnD bins (i
f
= 1100 mA,
t
J
= 85 °C) - Continued
nominal
CCt
Cri
Min
typ
Minimum Luminous flux
group
v2
80
---
v4
W2
T4
3000 K
90
95
U2
U4
T2
93
95
T4
U2
U4
80
---
v2
v4
S4
2700 K
90
95
T2
T4
S4
93
95
T2
T4
Flux (lm)
@ 85 °C
4230
4545
4860
3440
3680
3955
3200
3440
3680
3955
4230
4545
2990
3200
3440
2990
3200
3440
Flux (lm)
@ 25 °C*
4730
5083
5435
3818
4115
4423
3552
3818
4115
4423
4730
5083
3319
3552
3818
3319
3552
3818
27H
27H
27H
30H
30H
30H
group
2-step
order Code
CXA2540-0000-
000N00V230H
CXA2540-0000-
000N00V430H
CXA2540-0000-
000N00W230H
CXA2540-0000-
000N0UT430H
CXA2540-0000-
000N0UU230H
CXA2540-0000-
000N0UU430H
CXA2540-0000-
000N0YT230H
CXA2540-0000-
000N0YT430H
CXA2540-0000-
000N0YU230H
CXA2540-0000-
000N00U427H
CXA2540-0000-
000N00V227H
CXA2540-0000-
000N00V427H
CXA2540-0000-
000N0US427H
CXA2540-0000-
000N0UT227H
CXA2540-0000-
000N0UT427H
CXA2540-0000-
000N0YS427H
CXA2540-0000-
000N0YT227H
CXA2540-0000-
000N0YT427H
27G
CXA2540-0000-
000N0YT227G
CXA2540-0000-
000N0YT427G
27F
27G
27G
CXA2540-0000-
000N00V227G
CXA2540-0000-
000N00V427G
CXA2540-0000-
000N0US427G
CXA2540-0000-
000N0UT227G
CXA2540-0000-
000N0UT427G
27F
27F
30G
CXA2540-0000-
000N0YT430G
CXA2540-0000-
000N0YU230G
30F
30G
30G
CXA2540-0000-
000N00V430G
CXA2540-0000-
000N00W230G
CXA2540-0000-
000N0UT430G
CXA2540-0000-
000N0UU230G
30F
30F
group
3-step
order Code
group
4-step
order Code
CXA2540-0000-
000N00V230F
CXA2540-0000-
000N00V430F
CXA2540-0000-
000N00W230F
CXA2540-0000-
000N0UT430F
CXA2540-0000-
000N0UU230F
CXA2540-0000-
000N0UU430F
CXA2540-0000-
000N0YT230F
CXA2540-0000-
000N0YT430F
CXA2540-0000-
000N0YU230F
CXA2540-0000-
000N00U427F
CXA2540-0000-
000N00V227F
CXA2540-0000-
000N00V427F
CXA2540-0000-
000N0US427F
CXA2540-0000-
000N0UT227F
CXA2540-0000-
000N0UT427F
CXA2540-0000-
000N0YS427F
CXA2540-0000-
000N0YT227F
CXA2540-0000-
000N0YT427F
Notes
•
Cree maintains a tolerance of ±7% on flux and power measurements, ±0.005 on chromaticity (CCx, CCy) measurements and a tolerance of ±2 on CRI
measurements. See the Measurements section (page 16).
•
Cree XLamp CXA2540 LED order codes specify only a minimum flux bin and not a maximum. Cree may ship reels in flux bins higher than the minimum
specified by the order code without advance notice. Shipments will always adhere to the chromaticity bin restrictions specified by the order code.
*
Flux values @ 25 °C are calculated and for reference only.
Copyright © 2013-2017 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.
5
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