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Measurements
              
     
time based on a number of factors that are not within Cree’s control and are not intended or provided as operational


Lumen Maintenance
Cree now uses standardized IES LM-80-08 and TM-21-11 methods for collecting long-term data and extrapolating LED
LM-80
results document
Long-Term Lumen Maintenance application note for more details on Cree’s lumen maintenance testing
     Thermal Management application note for details on how thermal design, ambient

Moisture Sensitivity
             
               


         
      
 

      

Baking Conditions

 LEDs that 
 
 LEDs that ha



Temp.
Maximum Percent Relative Humidity
30% 40% 50% 60% 70% 80% 90%
30 ºC 9 5 4 3 1 1 1
25 ºC 12 7 5 4 2 1 1
20 ºC 17 9 7 6 2 2 1