Jul. 05, 2021
Ceramic capacitor refers to a capacitor whose dielectric is made byextruding barium titanate and titanium monoxide (both of high permittivity) into a tube, wafer or disc, and itselectrodes are made by plating silveron the ceramic withsintering method. Ceramic capacitors aredivided into high-frequency and low-frequencytypes.
Ceramic capacitors are able to withstand DC high voltage, and are suitable for high-voltage bypass and coupling circuits. Among them, the low-loss high-voltage disc has low dielectric loss, and is especially suitable for use in circuits such as TV receivers and scanning. Some people may be worried about the safety ofceramic capacitors. Now let's read on to find out in what circumstances a ceramic capacitor will explode.
Under normal circumstances, ceramic capacitors will not explode. Under these conditions, however, they may explode when:
①Excessively high current is passing through the ceramic capacitor;
②The ceramic capacitor itself is a failed product;
③The ceramicbody inside the ceramic capacitor is dirty;
④In extreme cases, such as overloaded use;
⑤The encapsulation layer of ceramic capacitor products absorbs moisture, which makes the interior damp;
⑥ There are cracks, delamination and impurities in the internal ceramic body of the ceramic capacitor;
⑦When the temperature of the capacitor rises instantaneously and exceeds the thermal shock resistance range of the ceramic chip, it may explode.
Before using ceramic capacitors, weneed to check in advance whether there is a problem with the products. You should never use aceramic capacitor in which a fault is found. Replace the problematiccapacitor to avoid damage to other capacitors during use. We also need to pay attention to a series of other issues such as whether the temperature of the environment exceeds the standard specified in the specification.
From the above-mentioned reasons, in addition to environmental storage and temperature issues that will affect ceramic capacitors, it is also important to select a trustworthy ceramic capacitor manufacturer. Good ceramic capacitor manufacturers can reduce unnecessary problems. Before and after sales should be guaranteed when it comes to the purchases of ceramic capacitors.
Dongguan Zhixu Electronics Co,. Ltd (also JYH HSU(JEC)) is aceramic capacitor manufacturing entity that manufactures and sells a full range of capacitor models with guaranteed quality. JEC has passed ISO9001:2015 quality management system certification. Our safety capacitors (X and Y series) and varistors have passed certifications of main industrial powers across the world and our ceramic capacitors and film capacitors are in line with environmental protection directives.
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