常见电路结构分析二：电容的使用

男娘i 2023-02-13 14:55 42阅读 0赞

### 1、去耦电容和旁路电容 ###

[http://www.elecfans.com/d/729492.html][http_www.elecfans.com_d_729492.html]

### 2、陶瓷电容的构造和原理 ###

[http://www.thermistors.cn/news/67.html][http_www.thermistors.cn_news_67.html]

陶瓷多层片式电容器（MLCC）

![format_png][]

[https://www.sohu.com/a/256145793\_160340][https_www.sohu.com_a_256145793_160340]

陶瓷盘式电容器

![瓷片电容作用是什么\_瓷片电容优点][format_png 1]

[http://www.elecfans.com/yuanqijian/dianrongqi/20190611954551.html][http_www.elecfans.com_yuanqijian_dianrongqi_20190611954551.html]

圆片陶瓷电容也称瓷片电容，是单层的，耐压从50V~6000V都较为普遍。同样容值下，瓷片电容受温度影响更小，更适合应用在微弱信号放大电路的滤波中。

### 铝电解电容的构造和原理 ###

![70][]

### [http://www.thermistors.cn/news/68.html][http_www.thermistors.cn_news_68.html] ###

[http://www.chyxx.com/industry/201601/382900.html][http_www.chyxx.com_industry_201601_382900.html]

### 钽电容的构造和原理 ###

[![直插钽电容][format_png 2]][format_png 2 1]

![70 1][]

### [https://blog.csdn.net/andyzx/article/details/676857][https_blog.csdn.net_andyzx_article_details_676857] ###

[http://www.mamicode.com/info-detail-33491.html][http_www.mamicode.com_info-detail-33491.html]

### 3、去耦电容的选型规则 ###

[https://www.cnblogs.com/jacklong-yin/p/9628795.html][https_www.cnblogs.com_jacklong-yin_p_9628795.html]

![format_png 3][]

### 4、电容在pcb板上的布置规则 ###

[http://blog.sina.com.cn/s/blog\_85cf9e480102x4be.html][http_blog.sina.com.cn_s_blog_85cf9e480102x4be.html]

[http://www.51hei.com/bbs/dpj-99007-1.html][http_www.51hei.com_bbs_dpj-99007-1.html]

### 5、电容的作用及示例 ###

[http://m.elecfans.com/article/797788.html][http_m.elecfans.com_article_797788.html]

[https://blog.csdn.net/weixin\_32819579/article/details/98876032][https_blog.csdn.net_weixin_32819579_article_details_98876032]

[http_www.elecfans.com_d_729492.html]: http://www.elecfans.com/d/729492.html
[http_www.thermistors.cn_news_67.html]: http://www.thermistors.cn/news/67.html
[format_png]: https://imgconvert.csdnimg.cn/aHR0cDovLzViMDk4OGU1OTUyMjUuY2RuLnNvaHVjcy5jb20vaW1hZ2VzLzIwMTgwOTI1LzMzODNlNjViZDNiNTQyMDc5OTEyMzY1MGJkNGU3ZDdiLmpwZWc?x-oss-process=image/format,png
[https_www.sohu.com_a_256145793_160340]: https://www.sohu.com/a/256145793_160340
[format_png 1]: https://imgconvert.csdnimg.cn/aHR0cDovL2ZpbGUuZWxlY2ZhbnMuY29tL3dlYjEvTTAwLzk1L0FEL3BJWUJBRnpfVEEtQWYxN3lBQUJsSFFVMTdaODQxNy5qcGc?x-oss-process=image/format,png
[http_www.elecfans.com_yuanqijian_dianrongqi_20190611954551.html]: http://www.elecfans.com/yuanqijian/dianrongqi/20190611954551.html
[70]: https://img-blog.csdn.net/20180713190832286?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjIyOTQwNA==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70
[http_www.thermistors.cn_news_68.html]: http://www.thermistors.cn/news/68.html
[http_www.chyxx.com_industry_201601_382900.html]: http://www.chyxx.com/industry/201601/382900.html
[format_png 2]: https://imgconvert.csdnimg.cn/aHR0cHM6Ly9ia2ltZy5jZG4uYmNlYm9zLmNvbS9waWMvZmMxZjQxMzQ5NzBhMzA0ZWNmODg1OWFiZDFjOGE3ODZjOTE3NWMzZA?x-oss-process=image/format,png
[format_png 2 1]: https://baike.baidu.com/pic/%E9%92%BD%E7%94%B5%E5%AE%B9/4580792/0/c9bdddce296a306293457e5e?fr=lemma&ct=single
[70 1]: https://img-blog.csdn.net/2018071319085346?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjIyOTQwNA==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70
[https_blog.csdn.net_andyzx_article_details_676857]: https://blog.csdn.net/andyzx/article/details/676857
[http_www.mamicode.com_info-detail-33491.html]: http://www.mamicode.com/info-detail-33491.html
[https_www.cnblogs.com_jacklong-yin_p_9628795.html]: https://www.cnblogs.com/jacklong-yin/p/9628795.html
[format_png 3]: https://imgconvert.csdnimg.cn/aHR0cDovL2Jicy5lbGVjZmFucy5jb20vZGF0YS9hdHRhY2htZW50L2ZvcnVtLzIwMTgxMS8xOS8xMTIxNDBhMXdsdmFpd29uanNpOXo1LnBuZw?x-oss-process=image/format,png
[http_blog.sina.com.cn_s_blog_85cf9e480102x4be.html]: http://blog.sina.com.cn/s/blog_85cf9e480102x4be.html
[http_www.51hei.com_bbs_dpj-99007-1.html]: http://www.51hei.com/bbs/dpj-99007-1.html
[http_m.elecfans.com_article_797788.html]: http://m.elecfans.com/article/797788.html
[https_blog.csdn.net_weixin_32819579_article_details_98876032]: https://blog.csdn.net/weixin_32819579/article/details/98876032