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Selection of chip capacitors

Sources:Jinggangshan Meicheng Trading Co.,ltd | PublishDate:2018.09.11

The selection of chip capacitors involves many problems. The first is the problem of withstanding voltage. If the voltage at both ends of a patch capacitor exceeds its rated voltage, the patch capacitor will be damaged by breakdown. Generally, the withstand voltage of electrolytic capacitors is 6.3V, 10V, 16V, 25V, 50V and so on. The ability of different patch capacitors to store charges is also different. The amount of charge stored when a chip capacitor is applied with 1 volt DC voltage is called the capacitance of the chip capacitor. The basic unit of capacitance is Fala (F). But in fact, Farad is a very unusual unit, because the capacitance of the patch capacitor is often much smaller than 1 Farad, commonly used micro method (mu F), nano method (nF), skin method (pF) (skin method also known as micro micro method), their relationship is: 1 Farad (F) = 1000000 micro method (mu F) = 1000 nano micro method (nF) = 1000000 skin method (pF)

Various kinds of chip capacitors are needed in electronic fabrication, and they play different roles in circuits. Similar to resistors, they are usually referred to as capacitors and are represented by letter C. Chip capacitors, as the name implies, are containers for storing electric charges. Although there are many kinds of patch capacitors, their basic structure and principle are the same. A patch capacitor is formed when two pieces of metal are separated from each other by a substance (solid, gas, or liquid). The two metal is called the polar plate, and the intermediate substance is called the medium. The chip capacitor is also divided into fixed capacity and variable capacity. But the most common ones are fixed capacity capacitors. The most common are electrolytic capacitors and porcelain capacitors.