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什么是高频低阻铝电解电容-东莞新普京集团电子游戏网址铝电解电容
Edit:管理员 Browse: Times Date:2016-11-25
什么是高频低阻铝电解电容
高频低阻
铝电解电容
是指相同规格
电容
耐纹波电流能力强,且自身内阻(ESR)小,相对普通品而言,用在电路中产品自身不易发热而导致提前失效,
电容
量愈大,对高频的阻抗越大,所以需根据不同的频率,选择不同容量的
电容
,来做滤波,交联,退偶和振荡。
首先我们来辨别一下高频低阻
铝电解电容
与普通铝
电解电容
的区别:
1. 用阻抗表测试是否在合格阻抗内:高频低阻系列铝电解
电容
的阻值比其他系列的电解
电容
阻值要低,相同的尺寸规格,我们可以用100KHZ频率测试,高频低阻系列的铝电解
电容
的阻值要低很多。
2. 拆解是否选用了SM/MD等此类白纸,(普通的铝电解
电容
一般为黄色纸张)
3. 是否选用了高频低阻铝电解液:高频低阻铝电解
电容
所用的电解液含水量较高,大概会超过50%,而普通的电解
电容
,所用的电解液含水量较低,大概不超过20%,因此,他们的耐压,寿命和体积都有较大的差异。容值相同时,如果要求寿命相同,普通电容往往比高频低阻铝电解
电容
大很多。
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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