T491C475K025AT7280

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T491C475K025AT7280 is a type of tantalum capacitors. It is mainly composed of three parts, the core tantalum powder material, the outer solid cathode layer and the insulation layer in the middle. With its small size, it can perform various functions with large capacity.

Application Field

T491C475K025AT7280 capacitors are widely used in military, aerospace, medical and industrial electronics. It is widely used in high voltage and high stability of electronic products in harsh environment, such as transportation like aviation, ship, automotive and so on. In addition, due to its wide temperature range and strong reliable performance, it can also be applied in medical fields, such as mammographic machines, MRI systems, ultra-sound detectors, etc. Its applications are not limited to the medical and industrial fields. It is also used in aerospace projects and defense projects.

Working Principle

T491C475K025AT7280 capacitors have build-in capacitor plates, which are composed of tantulum powder material. This powder layer is dielectric, and is sandwiched between two metal electrodes. When an electrical potential is applied to the capacitor, an electrical charge will be stored in the capacitor plates and generates an electrical field across the capacitor plates. This stored charge generates a capacitance. The capacitance is determined by the size and structure of the capacitor. The capacitance varies with the applied electrical field and the capacitance will be higher or lower accordingly.

When the capacitor is discharged, the stored charges starts to leak and eventually will decrease to 0. The rate of charge leakage depends on the properties of the dielectric material. The dielectric material also plays an important role in the capacitance, as the permittivity determines how much charge will accumulate on the capacitor plates. The permittivity of the dielectric material also determines how much current can be blocked when the capacitor is connected in series in an electric circuit.

Conclusion

T491C475K025AT7280 is a type of tantalum capacitors. It is mainly used in military, aerospace, medical and industrial fields. It has build-in capacitor plates, which are composed of tantalum powder material. An electrical potential is applied to the capacitor and the stored charges generate a capacitance. The rate of charge leakage depends on the properties of the dielectric material, which also determines how much current can be blocked.

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