MAL203838109E3

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Aluminum Electrolytic Capacitors (AECs) are electrochemical capacitors made up of two aluminum metal foils with oxide layer of varying thickness between them. The most commonly used AECs are made with an electrolyte which dissolves in the oxide layer, forming an electric double layer. This electric double layer provides the capacitance needed to transfer electrical energy between the metal foils. One of the most popular AECs is the MAL203838109E3, which is widely used in the automation industry.

The MAL203838109E3 is classified as a radial Aluminum Electrolytic Capacitor. It has a unique and highly reliable construction which includes a custom hermetic material wrapped around the capacitor, and a unique sealed terminal design which protects the capacitor from corrosion due to exposure to high temperature and vibration. The MAL203838109E3 is a high voltage capacitor capable of operating at temperatures between -55°C to 105°C, and is designed to be used in applications such as automotive, pump controllers, and motor control systems.

The MAL203838109E3 offers both low ESR (equivalent series resistance) and high ripple current capacity for improved energy efficiency and power management. The capacitor offers a wide operating temperature range, making it suitable for a wide variety of applications. The capacitor is sealed using an acrylic resin to provide effective protection against shock and vibration. It is also highly resistant to moisture and mechanical shock, making it suitable for harsh environment applications.

In addition to its excellent performance and durability, the MAL203838109E3 also offers an extremely long life, with an expected life of over 30,000 hours. This is due in part to its unique construction which limits the risk of explosive failure and enables the capacitor to operate without the risk of electrolyte leakage. The extended life also makes it an attractive choice for applications where long service intervals are required.

The working principle of the MAL203838109E3 is based on the physics of dielectrics. A dielectric material is made up of two metallic plates separated by an insulating material. When an electric field is applied to the plates, a current will be created that creates a potential difference across the plates. As the capacitor charge increases, the dielectric material will become “saturated” and will draw more electrical energy. This energy is then stored in the capacitor structure and can be used to deliver electrical load current whenever required.

The MAL203838109E3 is highly suitable for automotive, motor control, and sensor applications, as it offers excellent reliability, high ripple current capacity, and a wide temperature range. The long life of the capacitor also makes it an attractive choice for applications where service intervals are required. The capacitor is also highly resistant to vibration and shock, and is sealed using an acrylic resin to prevent electrolyte leakage.

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