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高亮度led灯珠多少钱一个

浏览：42次 | 提问时间： 07-30 10:45
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5个答案
青荷共水 07-30 10:46

计算方法：按照电源12V，负载3V，计算可以串联4个LED。但在实际应用中，这种方法不科学。为了保护LED我们通常需要给它加限流电阻，以防LED结温升高导致电流增大而损坏LED。所以12V电压可以串联的LED数量是3个和一个串联限流电阻。

好久不见是多么心酸的问候 07-30 10:54

这个要看你购买什么品牌了，像*隆达*提供的，型号是：3014S灯珠，价格大概是0.21元/颗左右，这个也是市场上比较常用的  ，你可以了解一下。

庸人自扰 07-30 11:02

高亮度led灯珠一般在80元左右一个，高亮度led灯珠被称为*照明光源或绿色光源，相比传统的照明产品，它具有节能、环保、寿命长、体积小等特点，可以广泛应用于各种指示、显示、装饰、背光源、普通照明和城市夜景等领域。

深爱 07-30 11:11

高亮度led灯珠30左右。LED灯珠广泛用于灯饰照明、LED大屏幕显示、交通灯、装饰、电脑、*玩具礼品、交换机、电话机、广告、城市光彩工程等诸多生产领域。

时光会咬人 07-30 11:19

现在市面上一般都是卖3-6元左右的，质量比较好一点的，价格相对会比较贵一点的，品牌不同价格也是相对不同的，但是波动不大，主要还是看你自己的选择PN结的端电压构成一定势垒，当加正向偏置电压时势垒下降，P区和N区的多数载流子向对方扩散。由于*迁移率比空*迁移率大得多，所以会出现大量*向P区扩散，构成对P区少数载流子的注入。这些*与价带上的空*复合，复合时得到的能量以光能的形式释放出去。这就是PN结发光的原理。

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