LNY2W153MSEJ

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Aluminum electrolytic capacitors are a type of capacitor that makes use of an electrolytic solution to store electrical charge. They are made up of two aluminum foils and two dielectric films that form a stack separated by an electrolyte solution. The stack is usually rolled up or wound up, to form a cylinder or flat rectangular surface. With the foil layers facing outwards, the capacitor will have positive and negative terminals on either side of the surface. Generally, it is the positive terminal which is exposed and the negative terminal is covered by the solution.

The LNY2W153MSEJ is an aluminum electrolytic capacitor specifically designed for power electronics applications. It offers high ripple current handling and excellent thermal performance while operating at very low temperatures. Its compact size makes it ideal for applications in small electronic devices and low-voltage circuits. In addition, it has high surge current capabilities, making it suitable for energy efficient apps.

The LNY2W153MSEJ is rated for a voltage of up to 25 volts DC. Its capacitance is rated at a nominal value of 153 microfarads. Its insulation resistance and temperature range is also rated at values suitable for industrial and commercial applications. The capacitor is housed in an SMD (surface-mountable device) package and is suitable for both reflow and wave soldering.

The working principle of an aluminum electrolytic capacitor is based on the Faraday law of electrolysis. When an electrical potential or voltage is applied across the capacitor’s two terminals, ions of the electrolyte will move towards the terminal with the higher potential, thus forming a thin layer of oxide between the two aluminum layers. This acts as an insulator, preventing further ions from passing through. As charge builds up on the plates, it increases the capacitance of the aluminum electrolytic capacitor.

The electrodes of the aluminum electrolytic capacitor are made up of two thin aluminum sheets, each with a thin layer of oxide. When a voltage is applied to the capacitor, an electric field is generated within the oxide layer. This causes an electrolytic reaction between the oxide layers and the underlying aluminum, and this reaction causes ions to move towards the electrodes, thus forming a thin oxide layer.

The working principle of an aluminum electrolytic capacitor can be understood in analogy to a water tank, with the two foil layers representing the walls of it. When the gate valve is opened, the water rises to the level of the lower wall and the capacitance in the capacitor will adjust accordingly. There is also a voltage dependence, meaning that if the voltage is increased, the capacitance will also increase. This capacitance can then be used to store and discharge energy when needed.

Due to its high current and voltage handling capability, the LNY2W153MSEJ aluminum electrolytic capacitor is widely used in the power electronic applications. It provides excellent thermal performance, high ripple current handling, and low-profile design. The LNY2W153MSEJ is also ideal for devices used in harsh environments and for applications that require a low ESR. Its efficient performance and long shelf life make it a popular choice for use in consumer electronics, industrial and commercial circuits, and even military and aerospace applications.

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