T491D476M020ZT7280

Tantalum Capacitors

T491D476M020ZT7280 is a type of surface mount tantalum capacitor. These capacitors are made from a combination of manganese dioxide and tantalum pellets to form the anode and cathode of the capacitor, with a layer of solid electrolyte between them. They are small and lightweight, making them suitable for surface-mount applications. They also have a high maximum operating temperature, making them suitable for use in circuits with high temperatures.

Application Field

T491D476M020ZT7280 capacitors are used in a wide range of applications due to their relatively small size, cost-efficiency, and high maximum operating temperature. Common applications include power supplies and voltage regulators, as they are able to provide stable and reliable power to circuits. They are also used in analog circuitry, to filter noise from signals, as well as to reduce power consumption. They are also used in automotive, medical, and military applications, due to their high-temperature and surge current ratings.

Working Principle

Tantalum capacitors are a type of electrolytic capacitor, which means that they rely on an electrolyte to store electrical energy. The anode is formed from a layer of manganese dioxide and tantalum pellets, allowing it to dissolve ions from the electrolyte into the anode. A layer of solid electrolyte, such as MnO2, separates the anode and cathode. When a voltage is applied, the electrolyte conducts ions, forming the capacitance of the component. Current flowing into the anode is stored in the layer of manganese dioxide and tantalum pellets, and then released when the voltage is removed. This process is repeated every time the capacitor is charged and discharged.

Conclusion

T491D476M020ZT7280 capacitors are a type of surface mount tantalum capacitor that is small and lightweight, making it suitable for a wide range of applications. They can be used in power supplies, voltage regulators, and analog circuits, as well as in automotive, medical, and military applications. They rely on an electrolyte to store electrical energy and ions, which are released when the capacitor is charged and discharged. Overall, this type of capacitor is highly reliable and efficient, making it a popular choice for many electronics projects.