T520B686M004ATE040

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Tantalum - Polymer Capacitors are an increasingly common form of capacitors used in modern electronics. Unlike traditional electrolytic capacitors, these capacitors are able to remain stable in higher frequency environments, which leads to superior performance. The T520B686M004ATE040 capacitor is an ideal example of the technology, providing superior performance and high reliability in a wide range of applications. This article will provide an overview of the application field and working principle for the T520B686M004ATE040 tantalum - polymer capacitors.

Application Field

The T520B686M004ATE040 capacitors can be used in a variety of electronic systems, including audio and video equipment, computers and peripherals, communications systems, and power supply applications. The capacitor\'s superior performance at higher frequencies makes it an ideal choice for radio-frequency applications, such as in cellular phones and base stations. The capacitor\'s high capacitance-voltage rating makes it suitable for high-power pulsed current applications, such as automotive systems. Its low ESR and low internal resistance makes it well-suited for short-term energy storage systems.

The T520B686M004ATE040 capacitor\'s low leakage current and long life make it suitable for mission-critical applications, such as in satellites and missiles. Its superior temperature stability and low ESR make it suitable for temperature sensitive applications, such as in medical equipment. The capacitor\'s small size and light weight make it an ideal choice for handheld and portable applications.

Working Principle

A tantalum - polymer capacitor is a type of surface-mounted capacitor that makes use of a porous, sintered tantalum anode and an ionic conducting polymer electrolyte to achieve its desired electrical properties. The working principle of a tantalum - polymer capacitor is based on the electrolyte being held between the two electrodes of the capacitor. When a voltage is applied, the electrolyte creates an electric field, causing electrons to flow through the material. When the electric field exceeds a certain value, a crystal barrier forms, blocking any further electron flow.

This process allows the capacitor to store energy, which can be released when the electric field is reversed. The process is efficient and allows for fast volume charge and release, making tantalum - polymer capacitors ideal for high-frequency applications. Additionally, the porous tantalum anode helps reduce the capacitor\'s resistance, which increases its overall efficiency.

The T520B686M004ATE040 capacitor has a leakage current of 0.02% at full rated voltage, a capacitance-voltage rating of 6.86µF and a capacitance tolerance of ± 20% (plus or minus). It is designed to be used in temperatures ranging between -55° C and +85° C and is rated for operation in a maximum voltage of 40V DC. The capacitor has a maximum ripple current of 100mA, as well as a maximum shock endurance of 150g.

Conclusion

The T520B686M004ATE040 tantalum - polymer capacitors are a highly versatile and efficient capacitor that is ideally suited for a wide range of applications. It has a low ESR and a high operating temperature, making it suitable for high temperature environments. Its exceedingly small size and high efficiency make it a great choice for handheld and portable devices. The capacitor\'s long life and low leakage current make it suitable for mission-critical applications, such as in satellites and missiles. The T520B686M004ATE040 capacitor is an excellent example of the advantages of tantalum - polymer capacitors over traditional electrolytic capacitors.

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