The importance of 5w led downlight thermal performance

 2022-04-07 | View:379

After years of development, 5w led downlight has been widely used in the field of engineering and home decoration, basically replacing the traditional downlight. 5w led downlight is generally used in shopping malls, offices, factories, hospitals and other indoor lighting, easy to install and convenient for people to love. 5w led downlight inherits all the advantages of traditional downlight, but also Small heat generation, power saving, long life, low maintenance costs.

5w led downlight

Early LED downlight due to the expensive LED lamp beads, the overall cost is very high, not accepted by customers. With the reduction of LED downlight chip prices and the improvement of heat dissipation technology, a solid foundation was laid for LED downlight to enter the commercial sector.

5w led downlight consists of LED beads, downlight housing, and power supply. This issue will talk about the thermal performance of 5w led downlight.

6 led downlight

The thermal design of 5w led downlight has a significant impact on its life, the LED heat from the lamp beads began to conduct to the internal PCB and then exported to the shell, and then the shell through convection or conduction to the air. PCB heat dissipation to be fast enough, thermal performance of the thermal grease to be good enough, the shell of the heat dissipation area to be large enough, the reasonable design of several factors determine the normal operation of the LED lamp PN junction temperature can not be higher than 65 degrees, to ensure that the LED chip in the normal working temperature and will not be too high temperature too quickly produce light decay.

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