T540B686K006AH87107280

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Tantalum-polymer capacitors are a type of electrolytic capacitor with a unique non-solid electrolyte made from liquid gel instead of traditional paper-wet electrolytes. The T540B686K006AH87107280 is one of the most popular of its kind in the market due to its high performance, stability, and reliability in the circuit design.

The capacitance of the T540B686K006AH87107280 is 6.8µF and its rated voltage is 4V. It also has an operating temperature range between -55°C and 85°C. Due to its low ESR value of 0.07Ω, this tantalum-polymer capacitor is suitable for applications which require a high level of efficiency. Furthermore, its low leakage current of 0.1µA makes it an excellent choice for applications with extremely low current leakage requirements.

The structure of the tantalum-polymer capacitor consists of a solid manganese dioxide (MnO2) cathode material and a highly porous tantalum pentoxide (Ta2O5) anode material. The two materials are coated with a special polymer gel which forms an electrolyte for the capacitor. A plastic wrapping encases and seals the anode and cathode materials.

T540B686K006AH87107280 is widely used in various digital circuits, such as power converters, DC-DC converters, and other converters. It is also suitable for usage in switching power supplies, LED lighting systems, and other high-performance power supply circuits. Additionally, due to its low leakage current, it is perfect for medical equipment and other systems which require precision current control.

In terms of its working principle, the T540B686K006AH87107280 operates like a regular electrolytic capacitor. The anode and cathode are in contact with the liquid gel electrolyte and the current will flow between them. When a potential difference is created between the two electrodes, an electrostatic field will develop in the gel layer and the capacitor will store charge. The charge is stored by the faradaic reaction between the two electrodes by forming a layer of a solid electrolyte interface film on the anode.

With its wide selection of applications, high performance, and the stability of its structure, the T540B686K006AH87107280 tantalum-polymer capacitors are quickly becoming a popular choice for many circuit designers due to the intricacies of their structure and the precision of the current control they allow.

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