DINGFENG CAPACITOR - - Common capacitance accuracy problems

Jun 9,2020

The accuracy of the capacitor mostly refers to the error range of the capacity. Why does the accuracy of the capacitor exist? This is because the capacitor produced will always have a certain error from the original specified capacity. Gradually form the allowable error range, also known as the accuracy.


Common capacitance accuracy


The common accuracy of the capacitor is generally ±5%/±10%/±20%. The reason for determining the accuracy of this capacitor mainly depends on the customer's budget and requirements. If there are no too special requirements, it will generally be produced according to its own conventional precision. If customers have special requirements, then capacitor manufacturers will choose different raw materials to produce capacitors with higher precision. Therefore, when selecting the accuracy of the capacitor, it is generally necessary to refer to the current range of the circuit board of the product to determine.


The precision of the three types of capacitors commonly used in the circuit is from low to high: aluminum capacitor <tantalum capacitor <ceramic capacitor.


In addition to the special requirements of customers, the accuracy of capacitors also needs to see whether capacitor manufacturers can make such high-precision capacitors. There are many cases of capacitors with large error ranges on the market, posing as high-precision capacitors. Therefore, when selecting high-precision capacitors, it may be helpful to let capacitor manufacturers provide certain samples to pass the test before starting mass production. If you still don't know how to choose the accuracy of the capacitor, you can consult us.


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