T540D687M003CH8705

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Tantalum-polymer capacitors are increasingly becoming a popular option for components due to their low leakage current, relatively high capacitance, low equivalent series resistance (ESR) and large operating temperature range. The name of T540D687M003CH8705 is a relatively new model for a tantalum-polymer capacitor and is designed for a range of general-purpose and automotive applications.

The T540D687M003CH8705 tantalum-polymer capacitor is a surface-mount chip capacitor with a maximum capacity of 687 μF at 6.3 volts and a temperature coefficient of 3% per °C. It has two terminals, the anode being the positive terminal and the cathode being the negative terminal. This SMD capacitor has a low series resistance (0.065 Ω) and a high ripple current rating of 3A. Its ESR is 0.01 Ω.

As far as application field and working principle are concerned, there are two main uses that this tantalum-polymer capacitor is best suited for. Firstly, they are used in Bypass applications which require higher capacitance. Since the capacitor is highly reliable, even under extreme conditions, it can be used in high frequency switching applications. Secondly, this capacitor is also used in high voltage and high temperature applications, such as in automotive electronic systems, especially those containing electrolyte capacitors, due to its high capacitance and low ESR.

The working principle of the tantalum-polymer capacitor involves the storage and release of electrical energy. This is achieved by passing current through a dielectric material, which is usually a polymer film or powder. This causes the electrons to accumulate at the positive terminal, while negatively charged ions are accumulated at the negative terminal. There is then an electric field created, which essentially allows the capacitor to store charge. When charge is passed through the capacitor, the electric field dissipates and the charge is released.

The T540D687M003CH8705 tantalum-polymer capacitor is a highly reliable component and is suitable for a wide range of applications. It is widely used in automotive, communications and medical applications, due to its high capacitance, low ESR and high ripple current rating. The component is also widely used in Bypass and high voltage applications, as it is highly dependable even under extreme conditions.

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