T540D226K0AT8705

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Tantalum-polymer capacitors are electronic components comprised of a tantalum base, conductive polymer dielectric, and interior and exterior electrodes. These capacitors are designed to operate in harsh conditions and provide high power density and robustness, along with low ESR (equivalent series resistance) values, at low cost. The T540D226K0AT8705 belongs to a specific group of such capacitors, and is used for a variety of applications, such as automotive and industrial motor drives, and in medical and test & measurement equipment.

Application Field

The T540D226K0AT8705’s optimized design and high reliability allows it to provide superior temperature and voltage characteristics that enable it to be used in various general, industrial and automotive power applications.

The T540D226K0AT8705 is designed for applications requiring low-power capacitance with high harmonic distortion (THD) and superior ripple current performance. It is ideal for DC-to-DC converters, voltage regulators, and controllers. The capacitor is also suitable for applications such as EMI filters and telecommunications systems.

The capacitor is specifically designed for use in motor drives, power supplies and UPS systems, allowing for current and voltage regulation and control in harsh industrial, automotive and medical environments. It is also used in hundreds of other applications requiring power conditioning, such as laptops, servers, data centers, and servers powering the internet.

Working Principle

The T540D226K0AT8705 tantalum-polymer capacitor is built with a conductive polymer dielectric, and two metal electrodes, one of which is the conductive base. The capacitor works by using the metal electrodes to form an opposing electric field, which stores energy in the form of an electrostatic charge.

The polymer dielectric is composed of a blood like electrolyte, an electrically stable organic material such as polyethylene. This electrolyte is what allows the capacitor to be stable over a wide range of temperatures, voltages, and currents.

The conductive base, which is usually made of tantalum metal, optimizes capacitance and helps to reduce losses caused by ESR (equivalent series resistance) by providing a low impedence path for the current.

When a positive power supply is applied to the electrostatic fields, the current flows from the positive terminal to the negative terminal. The stored charge is released and converted into electrical current, which is used to power the device.

Conclusion

The T540D226K0AT8705 capacitor is a reliable, low-cost high power density device that is well suited for high performance applications in harsh environments. Its optimized design provides superior temperature and voltage characteristics, low ESR values, and high ripple current performance, making it an ideal choice for a variety of applications.

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