EPAG451ELL121MM40S

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are capacitors that use an electrolyte-soaked layer of aluminum oxide as the dielectric in between two metallic plates. It has a unique combination of high capacitance, long life, low environmental impact and high efficiency. Aluminum electrolytic capacitors are used in a variety of applications such as filters, decoupling, rectification, motor control, voltage regulation, pulse amplification, and power supply energy storage.

EPAG451ELL121MM40S Application Field and Working Principle

The EPAG451ELL121MM40S is a type of aluminum electrolytic capacitor. It is primarily used for power supply filtering and smoothing purposes, such as in power supplies, switch mode power supplies, and AC-DC converters. It has an extended life rate (2000 hrs at 85°C), an operating temperature range of -40°C to +105°C, and a voltage rating of 450V. It is constructed with a snap mount top style, and has a maximum specified operating temperature of 105°C.

The working principle of this aluminum electrolytic capacitor is based on the electrical double-layer capacitance. This is where two parallel plates, one positive and one negative, are separated by a thin, non-conductive oxide film. When a voltage is applied, electrons are transferred from one plate to the other. This process creates an electric field between the two plates, resulting in capacitance.

The advantage of aluminum electrolytic capacitors over other types of capacitors is their extremely high capacitance. This allows them to store energy over a wide range of frequencies. Additionally, they can typically withstand voltages up to 400V, which makes them suitable for high voltage applications. The high temperature ratings make them suitable for use in a wide variety of applications, from automotive to medical.

In order for aluminum electrolytic capacitors to function properly, they must be connected to either a direct current (DC) or a pulsed-DC source. The capacitor must be wired correctly, and the correct voltage and current must be supplied. Improper or mismatched connections can lead to reduced life and performance of the capacitor.

Conclusion

Aluminum electrolytic capacitors are widely used in various applications for their high capacitance, high performance, and long life. The EPAG451ELL121MM40S is a type of aluminum electrolytic capacitor that is used for power supply filtering and smoothing. Its construction ensures an extended life rate and high operating temperature range, making it suitable for various applications. However, correct wiring and appropriate voltage and current must be supplied in order for the capacitor to function optimally.

The specific data is subject to PDF, and the above content is for reference