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Aluminum Electrolytic Capacitors

The UVK2V4R7MPD1TA is an aluminum electrolytic capacitor, which is a type of capacitors with an electrolytic structure, making them suitable for use in high voltage applications. It is made of two rolled aluminum foils with a porous paper insulator between them that is impregnated with a conductive solution. This is where the electrolyte interacts with the aluminum foil, resulting in a higher capacitance.

The capacitance of an aluminum electrolytic capacitor is determined by the size of the foil and the thickness of the insulator. This means that the larger the capacitor is, the higher its capacitance will be. Its larger capacitance means that more energy can be stored in the capacitor, making it suitable for use in a wide range of high voltage applications.

The UVK2V4R7MPD1TA is a polarized capacitor, meaning that it needs to be wired correctly for optimal performance. It features an anode and a cathode, both of which must be connected in the right polarity in order for proper electrical current to flow. This capacitor also requires a minimum operating temperature of -25°C and a maximum of 85°C.

The application field for the UVK2V4R7MPD1TA largely depends on the capacitance and the voltage rating it carries. It is primarily used in power supplies, inverters, motor controls, and high voltage switching circuits. It is also used in signal processing circuits, line filters, and voltage dividers.

The working principle behind the aluminum electrolytic capacitor is based on the charge separation of the anode and the cathode when the voltage across the anode and cathode terminals is higher than the operating voltage. When the voltage across the terminals is not higher than the operating voltage, the electrolyte is dried, forming a thin insulating layer between the two foils. This prevents the current from flowing between the two foils and charging the capacitor.

When the voltage across the terminals is higher than the operating voltage, a process called electrolysis takes place, causing the electrolyte to break down and dilute the electrolyte. This creates an ionic current, allowing the charges to move from the anode to the cathode and from the cathode to the anode. This is what charges the capacitor.

In summary, the UVK2V4R7MPD1TA is an aluminum electrolytic capacitor that can be used in a wide range of high voltage applications. It is polarized, meaning that it requires correct wiring for a successful operation. It features an anode and a cathode, and its capacitance is determined by its physical size. The working principle behind this capacitor is based on charge separation and electrolysis.

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