XB-H Datasheet, PDF (7/13 Pages) Cree, Inc – XLamp XB-H LEDs

XLamp^® XB-H LED
Typical Spatial Radiation Pattern
Typical Spatial Distribution
100%
80%
60%
40%
20%
0%
-90
-60
-30
0
30
60
90
Angle (º)
Thermal Design
Thermal Design ^{The maximum forward current is determined by the thermal resistance between the LED junction and ambient. It is crucial for the end}
product to be designed in a manner that minimizes the thermal resistance from the solder point to ambient in order to optimize lamp life
and optical characteristics.
1600
1400
1200
1000
800
600
400
200
0
0
Rj-a = 10 °C/W
Rj-a = 15 °C/W
Rj-a = 20 °C/W
Rj-a = 25 °C/W
20
40
60
80
100
120
140
160
Ambient Temperature (ºC)
Copyright © 2014-2016 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree^® and XLamp^® are registered trademarks and the Cree logo is a trademark of
Cree, Inc. UL^® and the UR logo are registered trademarks of UL LLC.
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