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光敏电阻多少钱？_其他_设计456问答
10秒装修报价 装修要花多少钱?获得精准报价，省钱30%
装修报价费用明细
168211
元
材料费：77201元
人工费：86544元
设计费：1760元
质检费：2706元
光敏电阻多少钱？
浏览：26次
|
提问时间： 08-01 04:30
分享到：
5个答案
这是高精度精密金属膜电阻，几百块一K的基本是“临时订制”，同时有量的限制；合理价格在25-45元/k。几块的是5%的碳膜电阻。
几毛钱啦，也可以从坏的声光控灯上面拆一个。光敏电阻器是利用半导体的光电导效应制成的一种电阻值随入射光的强弱而改变的电阻器，又称为光电导探测器；入射光强，电阻减小，入射光弱，电阻增大。还有另一种入射光弱，电阻减小，入射光强，电阻增大。
光敏电阻30左右，光敏电阻常用的制作材料为硫化镉，另外还有硒、硫化铝、硫化铅和硫化铋等材料。这些制作材料具有在特定波长的光照射下，其阻值迅速减小的特性。这是由于光照产生的载流子都参与导电，在外加电场的作用下作漂移运动，*奔向电源的正极，空*奔向电源的负极，从而使光敏电阻器的阻值迅速下降。
你好，价格不贵，1到20元的都有。不同的品牌和产品价格不同。光敏器件包括光敏电阻、光敏二极管及光敏三极管等。光敏器件可以用来以可见光或红外光的形式控制报*器、测试仪、自动开关、继电器等多种装置或执行机构。希望我的回答能帮助你。
你好 这个还是很不错的 质量是很好的现在市场上的价格就是在几十左右的差不多就是在二三十左右的
