绕线电阻主要用于什么产品?什么样的电路?

2025-03-16 04:33:38
推荐回答(4个)
回答1:

绕线电阻相比较与常用的金属氧化膜电阻和碳膜电阻有以下特点:
1.阻值精确且稳定。普通电阻误差10%或5%,绕线电阻误差0.1%或0.01%。
2.大功率。绕线电阻一般是使用康铜丝绕在陶瓷骨架上制成,阻值不会因为温度的变化而变化,且可以做到很大功率。
3.价格较高。
由于有以上特点,绕线电阻一般应用在精密电路当中,比如运算放大电路、基准电源电路中;也应用在一些大功率电路当中。

回答2:

大功率的电路

回答3:

这个用途多了,用于开关电源、不间断电源、充电器等。主要用于电路里的吸收电路、嵌位电路、滤波电路也有用到的。

回答4:

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