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                圣元环形购彩大厅二〒维码
                圣元购彩大厅

                3个LED,每个功率20瓦,需要输出多少伏的环形购彩大厅

                返回列表来源:www.eeio99.com          发布日期:2015-08-24 20:59    |    分享 加入收藏关注:-

                问:3个LED,每个功率20瓦,需要输出多少伏的环形购彩大厅?

                答:LED灯一般有直流、交流、恒流三种;交流的有12V和24V,直流的是有5V、12V、24V,恒流就是驱动电源了,具体输出用多大电压的环形购彩大厅与灯的匹配有关。

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