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什么是固态铝电解电容
Edit:管理员 Browse: Times Date:2016-11-14
什么是固态铝电解电容
在前面的文章中我们有说到了
普通铝电解电容更换成液态电解电容
以及
贴片铝电解电容与液态电解电容的区别
,从中我们就可以知道固态
铝电解电容
比普通的
铝电解电容
要好,今天我们就来介绍一下什么是铝电解电容。
固态铝
电解电容
可以称为
固态电容
,它与普通
铝电解电容
(即液态铝质电解电容)最大的差别在于采用了不同的介电材料,液态铝电解
电容
介电材料为电解液,而固态
电容
的介电材料则为导电性高分子材料
固态铝电解
电容
所采用的是固态导电高分子材料。导电高分子材料的导电能力通常要比电解液高2*3个数量级,应用于铝电解
电容
可以大大降低ESR,改善温度频率特性;并且由于高分子材料的可加工性能良好,易于包封,极大地促进了铝电解
电容
的片式化发展,目前,应用于市场的固态铝电解
电容
主要有两类:有机半导体铝电解电容和聚合物导体铝电解电容。
有机半导体铝电解
电容
的结构与液态铝电解电容相似,多采用与直插立式封装方式。不同之处在于固态铝聚合物电解电容的阴极材料用固态的有机半导体浸膏替代电解液,在提高各项电气性能的同时有效解决了电解液蒸发,泄漏,易燃等难题。
固态铝聚合物贴片电容则是结合了铝电解
电容
和钽电容的特点而形成的一种独特结构。同液态铝电解电容一样,固态铝聚合物多采用贴片形式。高导电率的聚合物电极薄膜沉积在氧化铝上,作为阴极,炭和银为阴极的引出电极,这一点与固态钽电解电容结构相似。
新普京集团电子游戏网址
官方网站:
www.xiangrudz.com
如需转载此文请注明文章出处链接:
www.xiangrudz.com
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铝电解电容使用注意事项(二)
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