Datasheet
1111
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®
, the Cree logo and XLamp
®
are registered trade-
marks of Cree, Inc. UL
®
and the UR logo are registered trademarks of UL LLC.
11
xlAMP
®
xP-c lEDS
THERMAL DESIGN
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.
White, Royal Blue, Blue
Green
0
100
200
300
400
500
600
0 20 40 60 80 100 120 140 160
Maximum Current (mA)
Ambient Temperature (ºC)
Rj-a = 15°C/W
Rj-a = 20°
C/W
Rj-a = 25°C/W
Rj-a = 30°C/W
Thermal Design
XPC
Relative Intensity vs. Current (Tj = 25ºC)
GRAPH 8a
Green
0
100
200
300
400
500
600
0 50 100 150 200
Maximum Current (mA)
Ambient Temperature (ºC)
Rj-a = 15°C/W
Rj-a = 20°C/W
Rj-a = 25°C/W
Rj-a = 30°C/W
0
100
200
300
400
500
600
0 20 40 60 80 100 120 140 160
Maximum Current (mA)
Ambient Temperature (ºC)
Rj-a = 25°C/W
Rj-a = 30°C/W
Rj-a = 35°C/W
Rj-a = 40°C/W