When we carry out this series of production activities, we often need to use various containers. Aluminum containers are now common to us, because the nature of aluminum is very high quality. Now we can often use capacitor aluminum boxes, then everyone knows What are the causes of the aging of the capacitor aluminum box? Let's take a look.
The working electrolyte of the aluminum case of the capacitor uses weak acid / weak alkali salt as the electrolyte, water and organic solvent as the solvent, but it still has a certain degree of corrosiveness, which has a certain corrosive effect on the anodized film and rubber plug of the capacitor. In addition, a certain chemical reaction will occur between the electrolyte salt and the solvent over time. These phenomena will lead to the deterioration of the electrical performance of the capacitor. Therefore, the DC capacitor shell is also prone to aging. Aluminum electrolytic capacitors have certain shortcomings, which limit their application in certain occasions. However, due to their significant advantages such as high capacity and price advantage, they are firmly in competition with ceramic capacitors, film capacitors and tantalum electrolytic capacitors Firmly occupy more than 30% of the share. And with the development of automotive electronics, frequency conversion technology and other power electronic technologies, its proportion will increase significantly.
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