T540D227M004AH8505

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Tantalum - Polymer Capacitors

T540D227M004AH8505 belong to the tantalum-polymer capacitors family. These capacitors are defined by their small size and high capacitance-voltage ratings, making them suitable for a wide range of applications. Tantalum-polymer capacitors allow for increased component miniaturization and higher reliability due to their improved electrical characteristics.

Application Field

T540D227M004AH8505 are typically used to filter and decouple input and output power for a variety of devices. These capacitors are generally found in the power lines of audio-visual equipment and portable digital devices, such as laptops, tablets and smartphones.As well, they are suitable for use as energy-storage devices in timer circuits, switching power supplies, and display drivers. They are also becoming increasingly used in LED driver applications.

Working Principle

Tantalum-polymer capacitors have three capacitance-related electrical characteristics: capacitance, ESR (equivalent series resistance) and ESL (equivalent series inductance). The capacitance of T540D227M004AH8505 is determined by the value of the anode material\'s dielectric constant and the depth of the electrolyte used. The higher the dielectric constant of the anode material, the higher the capacitance value. The lower the electrolyte depth, the higher the capacitance value.

ESR and ESL form the electrical equivalent of an RC (resistor capacitor) circuit. The higher the ESR and ESL value of the capacitor, the greater the loss factor. T540D227M004AH8505 are designed to have an extremely low ESR and ESL, thus providing a high-frequency response.

Conclusion

In conclusion, T540D227M004AH8505 are used in a multitude of applications where higher capacitance-voltage ratings are needed in a relatively small form factor. This capacitor family delivers high capacitance in combination with low ESR and ESL values, resulting in higher reliability and power filtering performance.

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