What are the common errors in capacitor capacity?

We must first know why there is a "tolerance" in the capacitor. This is because the capacitor cannot be 100% accurate due to the process, and there is a certain error. A capacitor error such as capacitor Call it tolerance. In industrial production, the allowable variation range of parameters (mass characteristic values) of products or components is usually tolerance.

In different industries such as machinery and electronics, product development, design, manufacturing and other aspects will involve tolerance. Since it is not completely accurate in the production process, it is necessary to specify the allowable range of the index, which is the tolerance. Common errors in capacitor capacity, mostly in percentage, for example: D for ±0.5%, J: 5%, K: 10%, M: 20%, s: ±50% / -20%, Class Z: soil 80% / - 20% and so on.

For capacitors, if the tolerance is too loose, the production cost is low, but product quality and reliability, assembly performance, maintainability, supportability, testability, safety, etc. may be difficult to meet the design requirements; if the tolerance is too tight Although quality can be required, manufacturing requires higher requirements and costs. Therefore, tolerance plays an important role between quality and cost, and plays an indispensable bridge between design and manufacturing. It not only affects the quality and reliability of products, the realization of product functions, and the choice of process methods. Moreover, it has a significant impact on the manufacturing cost, maintenance cost and life cycle cost of the product.

On the one hand, the quality of the product is proposed by the customer, the customer needs the high quality product, the good quality product is satisfied by the customer, the manufacturer must perceive the customer's voice throughout the entire supply chain, so the cost of the investment is also Will increase. On the other hand, in the process of quality assurance, the relevant costs must be balanced. However, it is often difficult to reconcile quality and cost. If you want to be good on the other side, you will inevitably fall over. Therefore, the tolerance design problem is still a key factor in the survival of the company. That is, the cost is low enough to ensure quality.