UVK1H4R7MDD1TD Capacitors

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Aluminum electrolytic capacitors are a type of capacitor with a very large capacitance value per unit volume. The general composition of an aluminum electrolytic capacitor consists of two aluminum foils, one of which is etched to form a pattern of parallel conductive plates and the other of which is a separator, with an electrolyte sandwiched in between them which acts as the dielectric material (electrode). A layer of liquid or solid electrolyte covers the etched aluminum film. The etched aluminum film is the cathode of the capacitor.

The UVK1H4R7MDD1TD series of aluminum electrolytic capacitors are designed specifically for use in high-frequency switching power supplies. The capacitors offer an ultra-high capacitance in a very small package size and have a low ESR (equivalent series resistance) and ESL (equivalent series inductance) that make them ideal for switching power supply applications. The series are capable of handling large transient currents associated with pulse power circuits and their low leakage current and high capacitance make them highly suitable for use in high-frequency transformer and motor controllers.

In addition to their use in switching power supplies, the UVK1H4R7MDD1TD series also offer high reliability and stability in audio signal filtering applications. The series are designed to provide a low-cost capacitor solution for use in audio circuits where it is important to filter out high levels of noise. The capacitors feature an extended temperature range and stable capacitance over a wide range of frequencies, making them suitable for use in noise filtering applications that require low-capacitance and high-frequency components.

The working principle of an aluminum electrolytic capacitor is based on the simple principle of electrostatic attraction. When a potential is applied across the capacitor, the two electrodes attract each other and the dielectric acts as an insulating layer between them. The electrodes store energy as a result of the attraction and thus act as a capacitor. The amount of charge stored in a capacitor is determined by its capacitance, which is a function of the surface area of the electrodes, the distance between them and the dielectric material used.

Because the UVK1H4R7MDD1TD series of aluminum electrolytic capacitors are designed for use in high-frequency switching power supplies, they are designed to offer high levels of energy storage and efficiency with very low levels of current leakage. The series also offer excellent reliability even in extreme operating conditions and have a very low ESR and ESL, making them ideal for high-frequency transformer and motor controller applications.

Overall, the UVK1H4R7MDD1TD series of aluminum electrolytic capacitors offer superior performance in high-frequency switching power supplies, audio signal filtering and other applications where reliability and efficiency are important. Their simple working principle, combined with their high capacitance and low-leakage current capabilities, make them a great choice for these types of applications.

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