Maximum wattage for continuous light with no airflow

Z

z_Haggai

Guest
Hi all!



I'm new here - very glad I found this great forum! :)



I have a 9x3x1.5 cm plastic box with a 5x2 transparent window which I would like to use as a housing for a led light. The panels are about 1mm thick.



It is not possible to use any airflow in this box or to replace any plastic panel with a metal one (to conduct heat outside).



What is the maximum wattage allowed for continuous 24/7 use with only internal heatsink?



Can I use one of those power leds with star-shaped base with no additional heatsink?



Thanks!
 
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