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Comparison of aluminum electrolytic capacitｏｒs and tantalum electrolytic capacitｏｒ

　　Aluminum electrolytic capacitor volume is relatively large,relatively large series resistance, inductance, sensitive to temperature. It is suitable for big changes in its temperature, working frequency is not high (less than 25kHz) situations, and can be used for low frequency filtering (in parallel filtering high frequency when the electrolytic capacitor low frequency difference), aluminum electrolytic capacitor has a polarity, the installation must ensure that the correct polarity, otherwise there is a danger of explosion.
　　Compared with the aluminum electrolytic capacitor, tantalum electrolytic capacitor in series resistance, inductance, the temperature stability have obvious advantages. But its lowoperating voltage.
　　Rated voltage aluminum electrolytic capacitor of 1.3 times as the surge voltage of a capacitor, the working voltage is higher than 160V, is rated working voltage +50V as thesurge voltage, this voltage manufacturers guarantee, can allow bear the voltage in a short time. The capacitor in thesurge voltage, current will be large, usually 10~15 times the normal situation, if the time is too long, will burst open. So the general choice of aluminum capacitor voltage selectedshould be slightly higher, the actual working voltage isnominal voltage should be 70~80%.