天气预报 > 其他 > led灯用起来很烫正常吗
led灯用起来很烫正常吗
更新时间: 2019-05-24 00:00:00  

不正常。很烫手、说明功率较大,散热不好,属不正常,应加散热板、或是加大散热的面积。LED灯是一块电致发光的半导体材料芯片,用银胶或白胶固化到支架上,然后用银线或金线连接芯片和电路板,四周用环氧树脂密封,起到保护内部芯线的作用,最后安装外壳,所以LED灯的抗震性能好。

关键词: led 起来 正常

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