LPX221M350A4P3

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are in a class of their own, due to their unique construction and properties. They are most commonly used for energy storage, signal filtering and as a bypass capacitor, to reduce noise. Their main advantage over other types of capacitors is that they have a larger capacitance density, which is the ratio of the capacitance to the size of the component. This makes them ideal for high current applications, where size is of paramount importance. The capacitance of an aluminum electrolytic capacitor is determined by the physical size of the anode, as well as the electrolyte used.

LPX221M350A4P3 is a high-performance and cost-competitive aluminum electrolytic capacitor ideal for signal-conditioning and power-supply applications. Its specification of 350 mF, 35-VDC gives it a near perfect power-supply filter when used in combination with an inductor, making it ideal for use in electronic power supplies. It is also suitable for use as a decoupling capacitor in audio systems.

The LPX221M350A4P3 has a polarized design which means that, unlike other parallel-plate capacitors, it has two plates, which are placed a short distance apart, separated by an insulating liquid electrolyte. This electrolyte contains dissolved solids which allow electric current to flow between the plates, creating an electrical charge, which is then stored in the component. At the same time, ions are produced which cause the plates to become electrically charged and store the charge.

The two plates in the LPX221M350A4P3 are made from aluminum foil, which is treated with an anodizing process to produce a very thin layer of aluminum oxide. This oxide layer serves as a dielectric material, allowing the capacitor to store electrical charge. The capacitance of the capacitor is determined by the amount of surface area between the plates and the thickness of the oxide dielectric.

The LPX221M350A4P3 is also designed with a temperature-gradient capacitor rating, allowing it to be used for a wide range of operating temperatures. Its rated capacitance relies on the age of the device, as the capacitance decreases for older capacitors. The current flow, which determines the capacitance of the device, is based on ampere-turns, which is calculated by multiplying the capacitor voltage and capacitance.

The LPX221M350A4P3 is a good choice for noise reduction applications, as it has a low internal resistance, which helps reduce noise from electromagnetic interference. It is also used as a bypass capacitor to smooth out power supply fluctuations and reduce contact arcing. The LPX221M350A4P3 is also ideal for decoupling applications, where the capacitance provides a bypass path for certain frequencies, which reduces the inductance of the signal paths.

With its combination of design features and wide temperature range, the LPX221M350A4P3 is an ideal choice for the most demanding applications in both industrial and commercial applications. Its robust construction and superior electrical characteristics make it an ideal choice for power supplies, signal conditioning, noise reduction and temperature protection.

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