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What are the reasons for the explosion of aluminum electrolytic capacitor

Writer:Capacitor manufactur Source:Internet Time:2021-08-10 01:23:00
【DESCRIPTION】:
1. The positive and negative electrodes are reversed
Aluminum electrolytic capacitor, like supercapacitor, is a kind of capacitor with polarity. If the positive and negative electrodes are connected reversely, the aluminum electrolytic capacitor may explode.
 
2. The temperature is too high
There is electrolyte inside the aluminum electrolytic capacitor. If the service temperature is higher than the nominal value of the capacitor, the electrolyte will be heated, expanded, and even break the shell of the capacitor and leak out. If the temperature rises too fast in a short time, the electrolyte may open the shell of the electrolytic capacitor in an instant, or even break the whole shell, which is the so-called explosion.
 
3. The voltage is too high
The temperature of aluminum electrolytic capacitor will change with the temperature of working environment. Once the voltage is too large (exceeding its nominal withstand voltage value), excessive ripple current and reverse connection will lead to heating. When the temperature rises very fast, it will explode.
 
4. Electrolyte reduction
With the long-term use, the electrolyte inside the aluminum electrolytic capacitor is continuously reduced or even dried up. These will cause changes in the parameters of aluminum electrolytic capacitor, which will lead to the risk of capacitor explosion. However, we can infer the service life of the aluminum electrolytic capacitor according to its service condition, and then replace it with a new aluminum electrolytic capacitor before the end of its service life.
 
5. Quality problem of capacitor itself
Any industry cannot rule out some unqualified products produced by some manufacturers, and aluminum electrolytic capacitors are no exception. Therefore, when selecting capacitors, we try to choose manufacturers and agents with high popularity or good reputation in the industry( To find a brand electrolytic capacitor, you can directly contact [Qingquan] electrolytic capacitor manufacturer through "online customer service" on the right side of the website.)
1. The positive and negative electrodes are reversed
Aluminum electrolytic capacitor, like supercapacitor, is a kind of capacitor with polarity. If the positive and negative electrodes are connected reversely, the aluminum electrolytic capacitor may explode.
 
2. The temperature is too high
There is electrolyte inside the aluminum electrolytic capacitor. If the service temperature is higher than the nominal value of the capacitor, the electrolyte will be heated, expanded, and even break the shell of the capacitor and leak out. If the temperature rises too fast in a short time, the electrolyte may open the shell of the electrolytic capacitor in an instant, or even break the whole shell, which is the so-called explosion.
 
3. The voltage is too high
The temperature of aluminum electrolytic capacitor will change with the temperature of working environment. Once the voltage is too large (exceeding its nominal withstand voltage value), excessive ripple current and reverse connection will lead to heating. When the temperature rises very fast, it will explode.
 
4. Electrolyte reduction
With the long-term use, the electrolyte inside the aluminum electrolytic capacitor is continuously reduced or even dried up. These will cause changes in the parameters of aluminum electrolytic capacitor, which will lead to the risk of capacitor explosion. However, we can infer the service life of the aluminum electrolytic capacitor according to its service condition, and then replace it with a new aluminum electrolytic capacitor before the end of its service life.
 
5. Quality problem of capacitor itself
Any industry cannot rule out some unqualified products produced by some manufacturers, and aluminum electrolytic capacitors are no exception. Therefore, when selecting capacitors, we try to choose manufacturers and agents with high popularity or good reputation in the industry( To find a brand electrolytic capacitor, you can directly contact [Qingquan] electrolytic capacitor manufacturer through "online customer service" on the right side of the website.)

Shenzhen Qingyou Electronics Co., Ltd. 粵ICP備12063003號 COPYRIGHT
TEL:0755-27299931 / QQ:1498113525 / E-mail:sunny@szcapsun.com
ADD:Fuhai Science and Technology Industrial Park, Fuyong Town, Shenzhen
KEYWORDS: Aluminum electrolytic capacitor, Electrolytic capacitor manufacturer ?D-U-N-S?Number: 420674259

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