The full name of tantalum capacitor is tantalum electrolytic capacitor, and tantalum electrolytic capacitor is also a type of electrolytic capacitor. Tantalum capacitors use metallic tantalum as the dielectric, but do not use electrolyte like ordinary electrolytic capacitors. Tantalum capacitors do not need to be fired with aluminum film-coated capacitor paper like ordinary electrolytic capacitors. In addition, tantalum capacitors have no electrolyte inside and are suitable for high-temperature operation. Tantalum capacitors have the characteristics of long service life, high temperature resistance, high precision, and good high-frequency filtering and conversion performance. During the working process of tantalum electrolytic capacitors, it has the ability to automatically repair or isolate oxide film defects, so that the oxide film medium can be strengthened and restored at any time without being damaged by continuous accumulation. This unique self-healing property ensures its advantages of long life and reliability. Tantalum electrolytic capacitors have a high operating electric field strength, which is larger than other types of capacitors, thus ensuring the miniaturization of tantalum electrolytic capacitors.
Cons:
The capacity is smaller, the price is more expensive than aluminum capacitors, and the resistance to voltage and current is weak. Suitable for large-capacity filtering. For example, tantalum capacitors can be seen near the CPU socket. Tantalum capacitors are often used together with ceramic capacitors and electrolytic capacitors. They can also be used in low-voltage and low-current places.
Good reasons for tantalum capacitor filtering:
Tantalum capacitors have excellent performance. They are small capacitors that can achieve large capacities. Tantalum capacitors are very convenient for large capacities.
Tantalum electrolytic capacitors are mainly used for filtering, energy storage and conversion, marking bypass, coupling and decoupling, and as time constant components. Pay attention to the performance characteristics of the application, correct use will help to fully utilize its functions, such as considering the working environment of the product and its heating temperature, and taking measures to reduce use, etc. Improper use will affect the service life of the product. Barium magnesium alloy agent
Solid tantalum capacitors have excellent electrical properties, a wide operating temperature range, various forms, high volume efficiency, and unique characteristics: the working medium of tantalum capacitors is a very thin tantalum pentoxide film generated on the surface of tantalum metal. The oxide film dielectric of this layer is integrated with the electrode at one end of the capacitor and cannot exist alone. Therefore, the capacitance per unit volume is particularly large. That is, the specific capacity is very high and is particularly suitable for miniaturization. During the working process of tantalum capacitors, it has the ability to automatically repair or isolate oxide film defects, so that the oxide film medium can be strengthened and restored at any time without being damaged due to continuous accumulation. This unique self-healing property ensures its advantages of long life and reliability.