SEK331M100ST

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Aluminum Electrolytic Capacitors: SEK331M100ST Application Field and Working Principle

Aluminum electrolytic capacitors consist of two aluminum foil layers that are rolled up and then impregnated with a liquid electrolyte. This liquid electrolyte is made up of organic acid, such as ethanol and butylamine, and ionic salts. It works as an electrically conductive bridge between the two aluminum foil layers, thus forming the capacitor. It has a very high capacitance due to the large surface area of the aluminum foil layers and the liquid electrolyte.

The SEK331M100ST capacitor is a polarized aluminum electrolytic capacitor with a 10mm diameter and a 100uF rated capacitance. It is designed for a wide range of applications, including general purpose power sources, lighting systems, medical equipments, and automotive purposes. This capacitor has a working temperature range of -30°C to +125°C and is available in various voltage ratings. It also features a long life span, high reliability, and low noise.

The SEK331M100ST capacitor operates on the principle of electrochemical polarization. When a voltage is applied across the capacitor, it polarizes the atoms in the aluminum foil layers, forming a double layer arrangement. This arrangement creates an electric field, known as an electrolyte, which is used to store energy. The strength of the electric field increases with the applied voltage, thus increasing the capacitance of the capacitor. The capacitance is directly proportional to the voltage applied and is expressed as a capacitance value in Farads.

The SEK331M100ST is designed to provide a long life span in harsh environment applications. It has an electrolyte stabilizer built into its housing, which helps to protect it from corrosion as well as maintain its capacitance rating. In addition, the capacitor also has a temperature compensation feature, which allows it to maintain its capacitance and voltage ratings in extreme temperature conditions. The capacitor has a high ripple current, which helps to reduce the ripple effect in applications such as pumps and power supplies.

The SEK331M100ST aluminum electrolytic capacitor is a versatile, reliable, and cost-effective option for a variety of applications. It has a long life span, high reliability, and can handle a wide range of voltage ratings. Its temperature compensation feature ensures that it maintain its capacitance and voltage ratings even in extreme temperatures. This makes it an ideal choice for powering applications that require a long lifespan and dependability in extreme climates.

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