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The heat of LED lights is very low. Why do automobile LED lamps have Computer fan?

LED lights are typical cold light sources with low color temperature. Compared to halogen lights, the infrared light in LED lights is much lower. Therefore, when an LED light source illuminates the skin, the body temperature is much lower than when a halogen lamp (with a filament) illuminates the skin.
This gives a feeling of low heat output from LED lights. Similarly, under the same power, the heat generation of LED is much lower than that of halogen lamps. However, LEDs are semiconductor devices that are temperature sensitive and not resistant to high temperatures. Poor heat dissipation can seriously shorten the lifespan and brightness of LED lamp beads. Halogen lamps are resistant to high temperatures and do not require heat dissipation at all. That's why LED bulbs either have heat sinks or fans.

 

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Congratulations! Our product has finally lit up the airport and national exhibition center

Ordinary LED lights have 2 pins. Why do these LED lights have 4 pins?

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