LPX820M400A1P3

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are polarized capacitors. They have three terminals: negative, positive, and an outer case. They are mainly used for smoothing and filtering applications, where low-impedance and large capacitance are needed. Aluminum electrolytic capabilities offer impressive performance for applications that require high capacitance and low ESR values.

The LPX820M400A1P3 is an aluminum electrolytic capacitor manufactured by TDK Corporation. The capacitor has very low ESR values and can support high current ripple applications. The LPX820M400A1P3 is mainly used in high-end audio and power supplies for smoothing, filtering, and stabilizing.

Application Field and Working Principle of the LPX820M400A1P3

The LPX820M400A1P3 is an aluminum electrolytic capacitor with a rated voltage of 400V and rated capacitance of 820μF. It offers excellent DC bias stability and high ripple current with low dv/dt. It is mainly used in filter, bypass, and decoupling applications.

The LPX820M400A1P3 is based on a working principle that uses a combination of silicon dioxide and aluminum. The aluminum is etched to form a porous structure and the silicon dioxide acts as a dielectric. The metal is then formed into a rolled foil which is then immersed in an electrolyte solution to make it conductive. The electrolytic solution acts like a battery to charge the capacitor. As a result, the capacitance is determined by the thickness of the dielectric layer, the length of the metal foil, and the electrolyte used.

The LPX820M400A1P3 has a high ripple current and low dv/dt and offers superb DC bias stability. This is due to the high ripple current which helps reduce EMI noise and also improves the power supply capability. The low dv/dt also ensures a consistent voltage level even when transient frequency is applied.

The LPX820M400A1P3 is suitable for filtering, bypass, and decoupling applications. It is used extensively in high-end audio with high current ripple requirements and power supplies for smoothing and filtering. It is capable of handling high operating voltages, withstanding temperature fluctuations, providing very good resistance to surge voltage, and providing corrosion resistance.

The LPX820M400A1P3 is a high quality, highly reliable aluminum electrolytic capacitor, offering excellent performance for filtering, bypass, and decoupling applications. With its high ripple current and low dv/dt capability, it is ideal for high-end audio and other power supply applications that require smoothing and filtering.

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