400BXW47MEFR12.5X30

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Aluminum electrolytic capacitors are widely used in a wide range of applications due to their low cost, long life, good electrical performance and easy maintenance. 400BXW47MEFR12.5X30 is one of the commonly used aluminum electrolytic capacitors. This article introduces its application field and working principle.

In terms of application field, the 400BXW47MEFR12.5X30 aluminum electrolytic capacitor is mainly used in the power supply circuit of the inverter, the current charging circuit and the logic control voltage input circuit. This capacitor is used as a decoupling component in the operating circuit of the inverter so as to filter out the high frequency component of the signal and avoid the interference of the signal on other circuits. As for the current charging circuit, it can effectively filter out the signal interference noise and enhance the stability of the current charging. In the logic control voltage input circuit, it can effectively reduce the voltage ripple and meet the needs of the circuit.

In terms of working principle, the 400BXW47MEFR12.5X30 aluminum electrolytic capacitor is mainly composed of an aluminum case and an anode composed of an aluminum foil. The anode is folded and stacked in a special way to form a cathode. Then a polymer dielectric film is placed in the middle of the anode and the cathode, and a certain electrolyte is filled in the gap to make a capacitor. The working principle is that when the operating voltage is applied on the capacitor, an electric field is formed in the dielectric film. The electric field will force a current to pass through the electrolyte between the anode and the cathode, forming an electric charge and storing electric energy in the capacitor. In this way, the 400BXW47MEFR12.5X30 aluminum electrolytic capacitor works as an energy storage component.

In conclusion, the 400BXW47MEFR12.5X30 aluminum electrolytic capacitor is broadly used in power supply circuit of inverter, current charging circuit and logic control voltage input circuit. Its working principle is that an electric field is formed in the dielectric film when the voltage is applied on the capacitor, which will cause current to pass through the electrolyte and make charges to store electric energy in the capacitor.

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