XBDAWT-00-0000-000000F51 Datasheet, PDF (12/18 Pages) Cree, Inc – XLAMP XB-D LEDS

xlamp xB-D leds
white
Thermal Design
Thermal
royal blue, blue
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.
1200
1000
White
1200
Royal Blue, Blue
1000
800
800
600
Rj-a = 10°C/W
Rj-a = 15°C/W
400 Rj-a = 20°C/W
Rj-a = 25°C/W
200
600
Rj-a = 10°C/W
Rj-a = 15°C/W
400 _{Rj-a = 20°C/W}
Rj-a = 25°C/W
200
green
0
0
1200
1000
0
20
40
60
80
100
120
14_a0 _mber
0
Ambient Temperature (ºC)
Green
1200
1000
20
40
60
80
100
120
140
Ambient Temperature (ºC)
Rj-a = 10°C/W
Rj-a = 15°C/W
Rj-a = 20°C/W
Rj-a = 25°C/W
Amber
800
800
600
Rj-a = 15°C/W
400 Rj-a = 20°C/W
Rj-a = 25°C/W
200
600
Rj-a = 10°C/W
Rj-a = 15°C/W
400 Rj-a = 20°C/W
Rj-a = 25°C/W
200
0
0
20
40
60
80
100
120
140
red-oraAnmgbei,ernetdTemperature (ºC)
0
0
20
40
60
80
100
120
140
Ambient Temperature (ºC)
1200
Red-Orange, Red
1000
800
600
Rj-a = 10°C/W
Rj-a = 15°C/W
400 Rj-a = 20°C/W
Rj-a = 25°C/W
200
0
0
20
40
60
80
100
120
140
Ambient Temperature (ºC)
Copyright © 2011-2013 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.
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