T543D685K063AHE0757280

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Tantalum capacitors have been available in ceramic, paper, and other dielectric materials, but their advantages have been brought to the next level with the development of tantalum/polymer capacitors.

Tantalum polymer capacitors, also known as “tantalum electrolytic capacitors” and simply referred to as “tantalum caps,” are a type of electrolytic capacitor. With the addition of an electrolyte, the two tantalum electrodes of the device can store a larger amount of charge than other types of capacitors. As such, tantalum polymer capacitors are commonly used for high-voltage and high-temperature applications as well as for storing larger amounts of energy at low voltage.

The T543D685K063AHE0757280 is an example of a tantalum/polymer capacitor. It has a dielectric of polyethylene-oxide/titanium dioxide (PO/TiO2), which provides better temperature stability compared to other dielectrics, meaning that the device will maintain its capacitance over a wide temperature range. Additionally, the device has a capacitance of 6.8µF, which means that it is capable of storing a large amount of charge at low voltage. Its maximum voltage rating is 16V, and its maximum dissipation factor (ESR) is 30mΩ. Furthermore, the device is RoHS compliant, and has a working temperature range of -55°C to 125°C and a shelf life of ten years, meaning that it is suitable for long-term use in extreme operating conditions.

Tantalum/polymer capacitors are widely used in a variety of applications. For example, they are used in AC capacitor-input filters, DC link circuits, and energy storage applications. They are also used to decouple and bypass power supplies, providing a low-impedance route for high-frequency signals in audio and video amplifiers, telecommunications systems, computers and other electronic systems. Furthermore, they are widely used in automotive and aerospace applications due to their relatively small size and high temperature stability.

The working principle of tantalum/polymer capacitors is similar to that of other types of electrolytic capacitors. When an electric field is applied across the two tantalum electrodes, an electric current is generated, which then deposits a thin film of electrolyte between them. This electrolyte can store a much higher amount of charge than other dielectric materials, allowing the capacitor to store more energy and operate at higher voltages. Additionally, the electrolyte also provides temperature stability, allowing the device to maintain its capacitance over a wide temperature range.

In conclusion, the T543D685K063AHE0757280 tantalum/polymer capacitor is an excellent choice for many high-voltage and high-temperature applications that require a long service life. Its high capacitance, low ESR, and high temperature stability make it suitable for applications such as AC capacitor-input filters, DC link circuits, and energy storage applications. Furthermore, it is also widely used in automotive and aerospace applications due to its relatively small size and high temperature stability.

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