UPM1K390MPD1TD Capacitors

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Aluminum electrolytic capacitors are a type of capacitor characterized by their large capacity and low cost. They are the most common type of capacitor and can be found in a wide range of electrical and electronic equipment. The UPM1K390MPD1TD is an example of an aluminum electrolytic capacitor.

The UPM1K390MPD1TD capacitor has a capacitance of 390MF, a rated voltage of 1kV, and a tolerance of +/-15%. It is encapsulated in an anodized aluminum case with a dielectric film of polyphenylene sulfide and a zinc-plated steel end plate. The case is also sealed with a sealant to ensure a reliable connection.

This capacitor can be used in a variety of applications such as power supplies, voltage regulators, audio equipment and circuit protection. It is designed to handle high current, high frequency, and high voltage applications. In power supplies and voltage regulators, the UPM1K390MPD1TD provides energy storage for ripple currents. In audio applications, it helps reduce noise and distortion in low-frequency signals. In circuit protection applications, the capacitor provides over-current protection.

The working principle of the UPM1K390MPD1TD is based on the electrical properties of aluminum oxide. When voltage is applied to two thin aluminum foils that are separated by an electrolyte, an electric field is generated that causes a physical displacement of charged ions, forming an electrical double layer. This double layer acts as a barrier and allows current to flow through it. This process creates a capacitance, which is used to store electrical charge.

Aluminum electrolytic capacitors like the UPM1K390MPD1TD provide a reliable and cost-effective solution for many applications. They have a long lifespan, good insulation resistance, and low equivalent series resistance, making them suitable for high current applications. Additionally, they are resistant to high temperature and humidity, so they are ideal for use in harsh environments. With all these features, it is no surprise that they are a popular choice for many applications.

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