CWR26HK226KCGZ\PR

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Tantalum Capacitors

Tantalum capacitors are types of surface mount capacitors that are typically used for power decoupling and energy storage in electronic circuits. They are made by combining tantalum metal with manganese dioxide as the dielectric material, and have higher capacitance and lower equivalent series resistance (ESR) than any other type of capacitors for the same size. They have many advantages over other types of capacitors, including miniaturization, a flat sleeve design, low leakage current, and low ESR.

CWR26HK226KCGZ\PR Application Field

Tantalum capacitors are used in many electronic applications in order to provide a variety of capacitance values for power decoupling and energy storage. Primarily, they are typically used to store and remove energy in order to allow other components in the circuit to perform more efficiently. Examples of device and circuit specific applications include coupling and bypassing signals in a receiver, power management, and protection for high-frequency switch-mode power supplies. They are also used for supervisory reset and in high-frequency oscillators, as well as in general high-temperature circuits.

CWR26HK226KCGZ\PR Working Principle

Tantalum capacitors work by storing and removing energy from a circuit, allowing the other components in the system to function more efficiently. When voltage is applied across the capacitor, an electric field is generated between the two plates. This electric field stores energy and acts as a reservoir of power for the other components in the circuit, which can be discharged as needed. When the electric field is discharged, the plates are returned to their original state with no electric potential, creating a stable gain of energy.

The capacitance of a tantalum capacitor is determined by the capacitance of the dielectric material between the plates. As voltage is applied across the two plates, an electric field is formed and a charge is stored in the capacitor. The capacitance is then determined by the ratio of the charge to the voltage. The ESR (Equivalent Series Resistance) of a tantalum capacitor is also affected by the capacitance, as the capacitance of the dielectric material affect how “tight” it can be in a given volume. This allows for a high capacitance in a small space, making them useful for many applications.

Conclusion

Tantalum capacitors are a type of surface-mount capacitor, used in a wide range of electronics applications. By utilizing the unique properties of the tantalum-manganese dioxide dielectric material, tantalum capacitors are able to provide high capacitance values in a relatively small package, with low series equivalent resistance and low leakage current. The CWR26HK226KCGZ\PR series tantalum capacitors are popular for high temperature applications, due to their relatively high capacitance, low series equivalent resistance, and low leakage current.

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