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What factors can cause the failure of CBB capacitors? |Focus on mid-to-high-end brand capacitor manufacturers
by：Shenmao
2021-06-14
CBB capacitors are not unfamiliar to everyone. This film capacitor has good self-healing performance, excellent electrical performance, and low loss. It is widely used on various PCB boards like resistors. This red CBB capacitor can be used in home appliances, LED power supplies or mobile phone chargers. Since the performance of CBB capacitors is so good, what factors can cause CBB capacitors to fail? There are many factors that cause the failure of CBB capacitors: 1. The capacitor is not sealed enough, and water vapor enters to cause oxidation and reduce the withstand voltage. 2. The long-term transient current is too large, the voltage is too high, and the internal discharge self-healing causes the capacity to drop. 3. For long-term high-load work, the evaporation of the metal coating causes the capacity to decrease. Therefore, the way to solve the failure of CBB capacitors is to purchase quality-assured CBB capacitors, connect reasonable varistors in parallel to prevent excessive surge voltage, and connect resistors in series within the allowable range.
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Shenzhen Shen MaoXin Electronics Co., Ltd., as well, confirms that consumers who want ethically produced goods do the work of looking for them.
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