The advantage of tantalum capacitor

The full name of tantalum capacitor is tantalum electrolytic capacitor, which belongs to a type of electrolytic capacitor. It uses metal tantalum as the medium, unlike ordinary electrolytic capacitors, which use electrolyte. Tantalum capacitors do not need to be wound with aluminum coated capacitor paper, as ordinary electrolytic capacitors do, and have almost no inductance. [2]

Due to the fact that the dielectric layer of tantalum capacitors is formed by the oxidation of anode metal in the electrolyte, the resulting dielectric film generates heat under the action of an applied voltage, making it easy to produce oxides with high resistivity. This is equivalent to repairing defects such as defects and cracks in the oxide film, which has a self-healing effect. This unique self-healing performance ensures its advantages of long life and reliability. Solid tantalum capacitors have excellent electrical performance, a wide operating temperature range, various forms, and excellent volumetric efficiency. They have unique characteristics: The working medium of tantalum capacitors is an extremely thin tantalum pentoxide film formed on the surface of tantalum metal. This layer of oxide film medium and one end of the electrode junction constituting the capacitor form a whole and cannot exist alone. Due to the many microporous structures in the anode block, its capacitance per unit volume is particularly large, i.e., its specific capacity is high, so it is suitable for miniaturization of circuit boards