SLP391M180C1P3

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors (also known as electrochemical capacitors) are polarized capacitors whose anode electrode is made of an oxide film of Aluminum (Al2O3), which is served as the dielectric medium. An electrolyte, typically a solution of ethylene glycol and water, is soaked in the oxide dielectric, which gives rise to a significant increase in capacitance due to the interface polarization.

A typical aluminum electrolytic capacitor, the SLP391M180C1P3, is specifically designed for use as a low-pass filter and comes in a cylindrical form enclosing an electrolyte. It features a non-polarized DC voltage rating of 250 VDC, a capacitance of 180,000 µF and provides high capacitance up to 180,000 µF in a single aluminum electrolytic capacitor package. In addition, the internal leakage current of a SLP391M180C1P3 is only 3 μA and a nominal lifespan of 1,500 hours at 20°C.

This type of capacitor is usually used in power supplies, inverters and other DC-to-DC converters, as well as other applications that require high capacitance values and low internal leakage. In fact, the capacitors are ideally suited for applications that require high capacitance values and low energy density, such as energy storage systems, with a broad temperature range (-40 to +85°C expected).

The aluminum electrolytic capacitor, SLP391M180C1P3, works in the following way. When a voltage is applied to it, electrons on the negative plate react with the oxide film on the positive plate to form an electric double layer or current path. This makes the capacitor a conductor for electric current. The oxide film inside the capacitor acts as an insulator and stores the electrical charge, which is the capacitance of the device. As electrons move between the plates, the capacitance value changes, and this is why this type of capacitor is used in AC power applications.

In addition, the SLP391M180C1P3 is also well suited for use in high-end audio-visual systems, medical equipment, power control and telecom systems. It is also widely used in general purpose, signal processing and automotive applications, such as engines, suspensions and wipers. Furthermore, this type of capacitor has many advantages over other types of capacitors, such as its large capacitance value, high operating voltages, long life and wide temperature range, which make it the ideal choice for a variety of high-reliability applications.

Overall, the SLP391M180C1P3 is a well-designed aluminum electrolytic capacitor that provides efficient performance and long life in a wide range of applications. Due to its high capacitance values, low internal leakage and wide temperature range, this type of capacitor is an ideal choice for high-reliability, low-energy density applications and is extensively used in both general purpose and specialized applications.

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