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power led怎么接？

Mar 2nd 2014, 20:45

没看明白你的问题,POWER LED是指大功率的灯,但你这上面写的好像是电源,你是做灯箱吗?LED灯是有正负极分的,小功率的带杯的是负级(绝大部份),你的产品是串联的那就是正负连接,不然是点不亮的.红色,普绿色,都是1.8-2.0V白色,绿色,蓝色,是3.0-3.4V以上电压是正常电压,高于这些电压的产品就不是很好的,如果你是做LED灯箱的话,你看看电源上面说明输出电压是多少,你再算算相应的灯串联电压再个电阻达到每串灯的电流是20MA就可以了.这个不算太难,如果不太清楚,你可以百度一下,找个在线计算器算一下每串要几个灯,电阻要多大.网上有在线计算工具!

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