T493A685K016AH6120 Capacitors

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Tantalum Capacitors

T493A685K016AH6120, also known as tantalum capacitors, are passive components used for a wide range of applications, specifically for their high capacity for storing electrical charges. A capacitor can be thought of as two metal plates separated by an insulating material known as a dielectric. As electric current flows between the two metal plates an electric charge builds up on the plate and a voltage is created by that charge. This charge can then be harvested for a variety of uses.

Application Field

T493A685K016AH6120 capacitors are most commonly used in electronic circuits, related to either the audio, video, automotive or industrial sectors. Specifically, they are used in integrated circuits, either as bypass or reservoir capacitors, which can be useful for decoupling, bypassing and filtering circuitry. They are also used extensively in pulse-forming networks, where they are valued for their ability to hold and deliver large amounts of energy with high accuracy.

In the realm of telecommunications, these capacitors are used to help ensure power supply stability in radio transmitters and receivers, as well as for decoupling and bypassing for mobile telephone base stations. Additionally, these capacitors are seen in high-end video equipment. Certain fixed-frequency oscillators are known to employ the capacitors in their circuits (specifically ultra-low-jitter, sine-wave oscillators), where their stability and precision are invaluable.

Working Principle

The working principle of a tantalum capacitor is based on the same principle as all other capacitors. As with all capacitors, a tantalum capacitor consists of a pair of conductive plates that are separated by an insulating material, called the dielectric. When a voltage is applied to the capacitor, it stores electrical energy in the form of a static charge between the two conductive plates, through the dielectric. As the voltage is applied to the capacitor, the capacity of the capacitor increases until it reaches its maximum rating.

Under normal operation, the capacitor will store the electrical energy and release it as needed, whenever the voltage is removed from the terminals. This stored electrical energy is then released in a manner that is proportional to the size of the capacitor, allowing the capacitor to be used effectively in various applications.

In order to ensure that the capacitor is safely and accurately used in these various applications, it must have an appropriate energy rating. This energy rating is typically expressed in terms of volts-per-second, or vps. The higher the rating, the more intensely the capacitor will charge and discharge, enabling it to be used in high performance applications where the capacitor is subjected to intense demands.

The type of dielectric used in a tantalum capacitor is also important when considering its application and performance. Commonly used dielectrics include tantalum, or polypropylene, which are known for their ability to produce a large amount of power and yet remain stable over an extended operating period.

Conclusion

T493A685K016AH6120 capacitors are an important component in a variety of electronic devices. Characterized by their high capacity for storing electrical charges and their ability to release power proportionately, these tantalum capacitors are ideal for use in bypass, decoupling and filtering applications. Furthermore, their use in radio transmitters and receivers, as well as high-end audio and video equipment, ensures their continued importance in the realm of telecommunications.

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