MAL202137479E3

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Introduction

Aluminum electrolytic capacitors are widely used in many electrical applications. They are usually constructed with two aluminum foils, a dielectric electrolyte, and a cap or outer casing. Aluminum electrolytic capacitors, also referred to as electrolytic capacitors, have a structure that enables high energy storage and fast discharging of electrical energy. The MAL202137479E3 is an example of an aluminum electrolytic capacitor.

Application Field

The MAL202137479E3 aluminum electrolytic capacitor is typically used as a filter and in switch mode power supplies. In filter applications, the capacitor is used to reduce electrical noise, ripple, and transients. The capacitor also helps reduce electrical interference from nearby devices. As for switch mode power supplies, the capacitor is used to store and rapidly discharge the output voltage in order to maintain a constant output.

Aluminum electrolytic capacitors are increasingly being used in automotive electrical systems, where they are frequently used as snubber capacitors in DC current or voltage switching applications. They are often used in power supplies, fire alarm and telecommunication systems, and as an adjustable capacitor in audio, television and radio tuned circuits.

Working Principle

The MAL202137479E3 aluminum electrolytic capacitor functions by allowing an electrical current to flow through its two electrodes that are immersed in an electrolyte solution. This solution enables a layer of oxide to form on the surface of the aluminum electrolyte, which creates a very low resistance path for the electrical charge to follow. The oxide layer helps the capacitor to store energy and discharge it quickly, making it an ideal element for filter and switch mode power supply applications.

The stored energy is proportional to the surface area of the capacitor’s electrodes, which can be increased by rolling the fresh aluminum foil into a flat sheet together with a separator layer. The capacitance of the MAL202137479E3 can also be adjusted by varying the distance between the two electrodes.

Characteristics and Specifications

The MAL202137479E3 aluminum electrolytic capacitor has a cylindrical structure and measures 4.2 mm in diameter and 13.7 mm in height. The rated capacitance ranges from 47 μF to 479 μF with a rated voltage of 16 V and a maximum operating temperature of 85°C. The capacitor has a high degree of reliability and long lifetime due to its low series resistance and low impedance.

The MAL202137479E3 aluminum electrolytic capacitor also has several beneficial characteristics such as high energy storage density, low cost, low leakage current and a fast discharging time. These characteristics, combined with the capacitor’s compact size, make it a great choice for a wide range of applications including power supplies, switch mode power supplies, and automotive electrical systems.

Conclusion

In conclusion, the MAL202137479E3 aluminum electrolytic capacitor is a popular and reliable solution for many electrical applications. It is a compact and inexpensive capacitor that can store energy and discharge it quickly, making it well-suited for filter and switch mode power supply applications. The MAL202137479E3 also offers excellent reliability and long life due to its low series resistance and low impedance.

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