400MXC56MEFC20X25

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are components widely used in electronic systems. They are important because of their high capacity, low cost, and ready availability. The 400MXC56MEFC20X25 aluminum electrolytic capacitor is no exception, and is widely used in a variety of applications. This article explains the application field and working principle of the 400MXC56MEFC20X25 aluminum electrolytic capacitor.

Description

The 400MXC56MEFC20X25 is an aluminum electrolytic capacitor with a surface mount package type. It is a polarized electrolytic capacitor, meaning that it has negative and positive pins that must be connected to the correct polarity voltage supply for the capacitor to function correctly. It is rated for a voltage of 35 volts, and has a capacitance of 220µF. It has a maximum working temperature range of -40°C to +105°C, tolerance of ± 20%, a voltage of 6.3V, and a ripple current of 11.4 mA. The operating life of the capacitor is 2000 hours at +105°C.

Application Field

The 400MXC56MEFC20X25 aluminum electrolytic capacitor is primarily used in power supplies, signal filtering, and voltage regulation. It is most commonly used as a smoothing capacitor for smoothing waveforms and suppressing voltage spikes. It can also be used as a bypass capacitor for AC power supplies, to reduce the voltage ripple. Additionally, it can be used as a coupling capacitor to separate AC and DC voltages, or for switching power supplies and DC-DC converters.

Working Principle

An aluminum electrolytic capacitor is an electrolytic capacitor that uses an electrolyte consisting of a liquid or a gel-like material to increase its capacitance. This capacitance is achieved by the electrolyte’s ability to store ions, allowing for an increased surface area on the capacitor’s anode and cathode. Ions from the electrolyte are then attracted to the capacitor’s anode, and dislodged from the cathode as electrons are passed through the device. As the electrons move through the capacitor, the capacitor accumulates a charge, creating a potential difference between its terminals. This potential difference allows the capacitor to store a charge and eventually dissipate it as it discharges.

Conclusion

In conclusion, the 400MXC56MEFC20X25 aluminum electrolytic capacitor is a surface mount capacitor rated for a voltage of 35 volts with a capacitance of 220µF. It is widely used in power supplies, signal filtering, and voltage regulation due to its high capacity and low cost. It works by utilizing the electrolyte to store ions, allowing for an increased surface area on the capacitor’s anode and cathode. In this way, it is able to accumulate and store a charge until it is eventually dissipated as it discharges.

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