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LED street light failure
fecha:2011-05-16 11:28
estado:para resolver
pregunta:admin
D constant current driver, some of the reasons for the LED voltage-driven LED attenuation over. 2, the drive current is greater than the rated drive conditions. In fact, lead to bad light LED products, many reasons, the most important thing is the hot issue, although many manufacturers are not special focus in the secondary cooling products, but long-term use of these sub-LED product, the optical decay heat level of attention than has The LED products to high. The thermal resistance of LED chip
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