E82D500VRT103MB25T

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, often referred to as aluminum electrolytes, are passive electronic components that store electrical energy in an electrical field. They provide capacitance in circuit designs to perform functions such as energy storage, power supply filtering and signal coupling. Generally, aluminum electrolytic capacitors are polarized, meaning that they have a positive and negative lead. This is due to the composition of electrolytes, which are composed of a permeable membrane sandwiched between two aluminum foils.

E82D500VRT103MB25T Application Field and Working Principle

E82D500VRT103MB25T aluminum electrolytic capacitors are widely used in power supplies, DC/DC converters, and precision AC/DC voltage regulation. This type of capacitor is a capacitance-variable unit that features all of the benefits of aluminum electrolytic capacitors such as high ripple current and surge temperatures as well as excellent ESR characteristics. They are also extremely reliable and low profile, two important features for many applications.

E82D500VRT103MB25T caps have a tolerance range from -20% to +50%. They have a long service life due to their high surge and ripple currentstanding, and they can endure a wide variety of temperatures. The temperature range is -40°C to +125°C. Additionally, their capacitance range starts at 10 µF and goes as far as 270 µF.

The working principle of aluminum electrolytic capacitors is based on the dielectric characteristics of an electrolyte. The electrolyte acts as a semipermeable barrier or diaphragm between positive (+) and negative (-) electrodes. Electrons flow freely across the dielectric, creating a “reverse electric field”—the buildup of which forms the electrical energy stored in the capacitor. When the capacitor is discharged, the dielectric dissipates the stored electrical energy.

Aluminum electrolytic capacitors are specifically designed for use in high-frequency, low- voltage applications such as switching power supplies or high-speed signal processing circuits. They also offer excellent cost-performance and long service life. TheE82D500VRT103MB25T aluminum electrolytic capacitor is a high-performance unit suitable for a wide variety of applications.

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