LED junction temperature

2019-10-10 09:55:57 Click:273

LED is a kind of cold light source. Compared with traditional lamps, the use temperature is very small, but there is a very high temperature in the process of LED chip illumination. If this temperature is not properly guided, it is seriously possible.

LED is a kind of cold light source. Compared with traditional lamps, the use temperature is very small, but there is a very high temperature in the process of LED chip illumination. If this temperature is not properly guided, it is seriously possible. Will cause the light to be extinguished, but the light decays greatly; LED high bay light is a kind of high-power LED light, the heat is also very large, so a good LED high bay light can control the use temperature, that is, the lighting temperature What is the lighting temperature of common LED high bay lights? Of course, the smaller the better, in the actual design, the technical means can make the temperature of the LED high bay light fully dissipated, but because of the cost considerations, so large-scale application, some manufacturers will cut corners, the use of radiators will be greatly reduced; So, what is the highest lighting temperature of LED high bay light? The maximum temperature, which is the limit temperature of the LED chip, when your operating temperature reaches the junction temperature of the LED chip, the LED chip will be directly burned, causing the light to be extinguished; the junction temperature of the LED chip is different depending on the manufacturer. The junction temperature of CREE is generally around 120 degrees; LUMILED is generally about 100 degrees, so when designing LED high bay light, the use temperature must be tested to avoid serious damage to the user in actual use.


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