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Recognise high-power LED thermal problems

Posted: 16 Sep 2007  Print Version  Bookmark and Share Subscribe

Keywords: high-power LED system  thermal impedance  colour sensor 

[Summary of tips] Unlike incandescent tungsten light bulbs, high-power LEDs do not radiate heat. Instead, they conduct heat from their PN junction to the thermal slug on the LED package. Because of this, the heat has a longer, more expensive path to the atmosphere. But smart thermal management can increase the operating temperature range and the......
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