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Development history of AVX tantalum capacitors and elements of tantalum capacitors

Source:未來電子    Author:Admin    Visit:16    Pubtime:2016-09-10 10:34:46

AVX is a rare metal tantalum capacitor, tantalum processing, put into fine powder and tantalum, and other media formed by sintering. The present technology has two kinds of dry powder molding method and wet powder molding method. Due to the inherent nature of tantalum tantalum capacitor, with good stability, not change with changes in the environment, can do great values and other characteristics, some characteristics in some aspects with ceramic capacitors can not be compared, therefore cannot be used in many ceramic capacitor circuit on tantalum capacitors are widely used.

The production process of tantalum capacitors: tantalum powder press molding after sintering as the anode of the capacitor, after chemical method on the surface oxide film as the medium, and on the surface of MnO2 as cathode is generated due to the use of tantalum metal as a medium, do not need to use as the electrolyte, like ordinary electrolytic capacitors and tantalum capacitors without burning the use of aluminum plated paper capacitor as ordinary electrolytic capacitor, so its almost no inductance, but also limited in its capacity, no internal electrolyte tantalum capacitor, it is suitable for the work it has been applied to large capacity filter in high temperature, such as near the CPU slot, you can see the tantalum capacitor figure. Many with ceramic capacitors, electrolytic capacitors use or is applied to voltage and current is not in place.

The advantages and effects of tantalum capacitors: voltage control voltage jitter and filtering effect of 2 due to the small size of large capacity, suitable for small space 3 with the increase of temperature, the stability is better than that of ceramic capacitors

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