Ceramic capacitors are the most widely used capacitors in electronic equipment, accounting for about half of the total number of capacitors used, but due to the lack of understanding of its characteristics by many people in the use of the lack of due attention. In order to let more people understand the characteristics and selection of ceramic capacitors, today Cucab’s editor will come to learn more about them with you.
Cena filmového kondenzátoru
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Ceramic capacitors have the advantages of good heat resistance, film capacitor price, excellent insulation performance, simple structure, low price, etc. However, the characteristics of different ceramic materials are very different, and must be selected correctly according to the use requirements. According to the frequency characteristics of ceramic capacitors, there are high frequency porcelain dielectric capacitors and low frequency porcelain dielectric capacitors; according to the voltage withstand distinction, there are high voltage porcelain dielectric capacitors and low voltage porcelain dielectric capacitors.
Although the voltage tolerance of ceramic capacitors is larger than that of film capacitors and electrolytic capacitors, they are not allowed to be used under the condition of exceeding their rated voltage, otherwise, the migration speed of metal ions in the electrode in the ceramic medium under the effect of strong electric field will accelerate and lead to the decrease of insulation resistance of the capacitor and affect the long-term reliability of the machine.
The main difference between ceramic capacitors and other capacitors is that there are many different temperature groups of ceramic capacitors depending on the material, and their characteristics and capacity range are very different.
200F 2,7V superkondenzátor 16V

200F 2,7V superkondenzátor 16V

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