The solid tantalum capacitor is formed by pressing tantalum powder and sintering it into an anode body in a high-temperature furnace. Its dielectric is to energize the anode body in acid to form a porous amorphous Ta2O5 dielectric film. Its working electrolyte is manganese nitrate solution. High temperature decomposition forms MnO2, which is used as a lead connection through the graphite layer.
At present, due to these advantages of tantalum capacitors, its application range is becoming more and more extensive, and its output has been rapidly increased. The global chip-based tantalum capacitor rate has grown from 71% in 1995 to over 90% today. The most widely used field is mobile phones, accounting for about 36.2%, and the average number of applications for a mobile phone ranges from 5 to 20.
Tantalum capacitors have the inherent advantages of long life, high temperature resistance, and high accuracy, making them the first choice for circuit design engineers in some critical fields with higher requirements.
