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Topic:Kt Kingtronics Introduces Causes of Poor Chip MLCC
Content:
In the use of chip MLCC, many customers will encounter capacitor cracking, short circuit, burning and other phenomena, so how to deal with these phenomena?First of all, we need to know the causes of these phenomena.A. Crack (refers to the crack on the capacitor that causes the product to fail to work normally). This phenomenon is generally caused by low resistance.The reasons are as follows.1. PCB is mostly open circuit after external force.2. If the non-capacitor body is impacted by external force, it may have short circuit or low resistance.3. Too high applied stress voltage will lead to MLCC capacitor failure, generally short circuit or low resistance, but this kind of phenomenon should not be much in the case of sufficient allowance.In this case, it is generally necessary to check whether the product will be vibrated or shaken when working, and then check whether the product capacity meets the requirements.B. Short circuit burn out (refers to the damage of the capacitor in the PCB
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