TRJD475K050RRJ

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Tantalum Capacitors

Tantalum capacitors are one of the most important electronic components used in a wide variety of electronic products. The TRJD475K050RRJ is a tantalum capacitor that is used in a variety of applications and performs a very important role in these various applications. This article will discuss the application field and working principle of this capacitor.

Application Field

The TRJD475K050RRJ tantalum capacitor is suitable for decoupling, filtering, and timing tasks. Specifically, it is used for signals with very low levels, such as switching circuit and audio signals. It is also used for the clock delay of memory integrated circuits, power station shutdown switch power supplies, and voltage meter delay adjustment circuits. In terms of its operation, it works best at frequencies lower than 100 MHz.

Working Principle

The working principle behind the TRJD475K050RRJ tantalum capacitor is simple. This capacitor is an electrolytic double-layer capacitor, which is composed of an anode, a cathode, a diaphragm, an electrolyte, and two conductive tabs. Its anode is generally an sintered porous tantalum powder body, and its cathode is formed by the negative pole coating of the tantalum powder body. When the voltage is applied, the anode and the electrolyte react to form a layer of insoluble hydroxide on the anode surface, which will form a capacitor with a thickness of several one-thousandths of an inch to several one-tenths of an inch.

When the activity of the anode electrolyte decreases, a dielectric film which is an insoluble layer is formed on the anode surface. This film is able to maintain its insulation characteristics even when the voltage is removed. The capacitor circuit has a positive and a negative pole, and the two together form a complete electric circuit. The undissolved oxide of the anode forms the dielectric film, while the electrolyte provides the necessary ions to form the capacitor. This is how the TRJD475K050RRJ tantalum capacitor works.

Conclusion

In conclusion, the TRJD475K050RRJ tantalum capacitor is designed for low-frequency applications and is used for decoupling, filtering, and timing tasks. It is composed of an anode, a cathode, a diaphragm, an electrolyte, and two conductive tabs. When the voltage is applied, the anode and the electrolyte react to form an insoluble hydroxide layer on the anode surface, which forms the capacitor. This is how the capacitor works and how it is used in various applications.

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