CWR26KH106MBGC\TR

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Tantalum Capacitors – CWR26KH106MBGC\TR Application Field and Working Principle

Tantalum capacitors are electronic components used in a wide variety of appications. They are made from a small piece of tantalum metal which has been chemically treated and coated with an dielectric material like cermaic. They are mostly found in high-power, high-frequency circuits, where they perform double duty as both a storage element and a frequency-dependent network element. In this article, we will take a closer look at their application and working principle.

Application

Tantalum capacitors are mainly used for high frequency, high-density and high-voltage applications, such as decoupling, bypassing and filtering in consumer electronics, power supplies, IGBTs (Integrated Gate Bipolar Transistors), and other circuits. They can also be used in signal processing devices, radio frequency (RF) circuits, sound systems, and automotive systems.

These capacitors are extremely useful in low noise audio applications, such as amplifiers. This is because they are small and have a low loss of capacitance at mid-range frequencies, which helps cut down on background noise. They are also used in computers where small form factor and size are important, as they make good choice for replacing traditional electrolytic capacitors.

Working Principle

Tantalum capacitors work on the principle of storing and releasing electrical energy when voltage is applied to it The energy is stored in an electric field which is created by a “dielectric” material between the capacitor’s two metal plates. As the voltage is applied to the capacitor, electrons are attracted to the negative plate, and attracted to the positive plate. This forms a charge which builds up between the plates.

When the voltage is removed, the charge remains on the capacitor’s plates, and this creates an electric field between them. This is called the “electric potential” which determines the amount of charge that can be stored on the capacitor. As the capacitor’s voltage increases, its potential energy also increases, allowing it to store more energy.

To discharge the capacitor, an electric current must pass through it. This causes the charge to move from one plate to the other, which then reduces the electric potential. The amount of electric current that can pass through the capacitor is determined by its capacitance rating (measured in Farads).

Tantalum capacitors are very robust and stable, and this makes them the preferred choice for many high-frequency and high-voltage applications. They have very low loss of capacitance at mid-range frequencies, and this makes them ideal for use in amplifier circuits. They are also very reliable and can withstand extreme temperature variations, which makes them suitable for use in hostile environments like automobiles and avionics equipment.

Conclusion

Tantalum capacitors, due to their superior characteristics such as low ESR, high capacitance-to-volume ratio, good frequency response, wide temperature range, and various other features, are suitable for use in many high-end applications. The CWR26KH106MBGC\TR application field and working principle, which has been discussed in this article, is just one example of the many possible uses for tantalum capacitors.

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