Get To Know A New Capacitor In One Day: Tantalum Capacitor

The full name of tantalum capacitor is tantalum electrolytic capacitor, which is also a kind of electrolytic capacitor. It uses metal tantalum as the dielectric, hence the name. Tantalum capacitor was first successfully developed by Bell Laboratories in the United States in 1956. It has excellent performance and is a passive component in capacitors that is small in size but can achieve a large capacitance.

Tantalum capacitors have various shapes and are made into small and sheet components suitable for surface mounting. Tantalum capacitors are not only used in military communications, aerospace and other fields, but also in industrial control, film and television equipment, communication instruments and other products.

Tantalum capacitors use metal tantalum as the dielectric, instead of electrolyte like ordinary electrolytic capacitors. Tantalum capacitors do not need to be wound with aluminum-coated capacitor paper like ordinary electrolytic capacitors. They have almost no inductance, but this also limits their capacity. In addition, since there is no electrolyte inside the tantalum capacitor, it is very suitable for working at high temperatures. This unique self-healing property ensures its advantages of long life and reliability.

Tantalum capacitors have superior performance, can achieve a large capacity while making the volume relatively small, and are easy to process into small and sheet components. They are suitable for the current automation and miniaturization of electronic device assembly and have been widely used. The main characteristics of tantalum capacitors are long life, high temperature resistance, and high accuracy, but the voltage and current resistance are relatively weak, and they are generally used in large-capacity filtering parts of circuits.