Tantalum electrolytic capacitors are mainly applied to substitute aluminum electrolytic capacitors whose performance parameters cannot meet the requirements, such as small capacitance, wide temperature range, high frequency characteristics and impedance characteristics, and high product stability and reliability of military and civil circuits. In order to improve product quality, tantalum capacitors are also used in various civil machines.
Niobium capacitor in the 60 s; seven s once appeared the situation of industrial production, but because of the oxide film thermal stability and chemical stability is bad, after the 80 s, as the tantalum capacitor technology mature, tantalum powder volume increase rapidly, each with a powder amount of tantalum capacitor drastically, so the original niobium capacitor is lower than tantalum capacitor price advantage gradually disappear, The production of niobium electrolytic capacitors also tends to cease.
