贴片钽电容中的100UF的UF是什么意思 100UF和10UF区别在什么地方 ,本人小时候不读书,现在是文盲了。多谢

2025-03-28 09:59:28
推荐回答(2个)
回答1:

贴片钽电容中的100UF的UF,其实是µF(微法)才对,100UF和10UF的区别只是容量的大小不同而已

F(法拉)

国际单位制中,电容单位是法拉(farad),简称“法”,单位符号是F。如果一个电容器带1库仑电量时,两极板间电势差是1伏特,这个电容器的电容就是1法拉。

常用单位为微法(μF),皮法(pF)等。  

1法拉(F) = 1000000微法(μF)   1微法(μF)= 1000000皮法(pF) 

钽电容的常用单位是微法(μF) ,100UF和10UF是常用的容量,除了100UF和10UF,钽电容常用的容量还有1UF,3.3UF,4.7UF,6.8UF,15UF,33UF,47UF,68UF,150UF,330UF,470UF,680UF,1000UF等。常用伏数有2.5V,4V,6.3V,10V,16V,20V,25V,35V,50V

钽电容的电容量也常用代码表示,电容量的代码为三位数,如105 107 685 336 476 686等都是电容量的代码,对应为1uF,100uF,6.8uF,33uF,47uF,68uF。前两位表示有效数字,第三位表示0的个数,单位是pF。如107=100,000,000pF(10后面7个0)=100uF(1uF=1,000,000)以此类推。

回答2:

µF是表示电容容量的单位,中文名称是“微法”。100µF与10µF区别在于容量不同,前者是后者的10倍。
电容单位有F(法),µF(微法),nF(纳法),pF(皮法)。
之间的换算关系是:1F=1000000µF,1µF=1000nF,1nF=1000pF。

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