CXA1304-0000-000C00C250H 查看數據表（PDF） - Unspecified
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CXA1304-0000-000C00C250H Datasheet PDF : 31 Pages
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XLAMP® CXA1304 LED
OPERATING LIMITS
The maximum current rating of the CXA1304 depends on the case temperature (Tc) when the LED has reached thermal equilibrium under
steady-state operation. The graphs shown below assume 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 Dimensions section
on page 27 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 28 for more
information on LES temperature measurement.
CXA1304-9V
1200
1000
800
600
9V
400
200
0
0
25
CXA1304-18V
600
50
75
100
125
150
Case Temperature (°C)
500
400
300
18 V
200
100
0
0
25
50
75
100
125
150
Case Temperature (°C)
Copyright © 2013-2018 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree®, the Cree logo, XLamp® and EasyWhite® are registered trademarks of Cree,
Inc. UL® and the UR logo are registered trademarks of UL LLC.
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