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Aluminum Electrolytic Capacitors

Capacitors are one of the most commonly used passive electronic components, and aluminum electrolytic capacitors are the most commonly used capacitors in the market. As one of the aluminum electrolytic capacitors, LXZ25VB222M12X35LL has wide applications and plays an important role in many electronic circuits.

The Application Field of LXZ25VB222M12X35LL

LXZ25VB222M12X35LL is a radial, leaded aluminum electrolytic capacitor working in the temperature range from -40℃ to 105℃ and with a rated voltage of 25V. This type of capacitor combines large capacitance and low cost within a small size, making it suitable for a wide range of applications. When capacitance above 1200μF is required, LXZ25VB222M12X35LL will be the decision of choice.

The major application fields of LXZ25VB222M12X35LL include power supply, audio, consumer electronics, automotive, industrial field, etc. Such as:

• Reducing ripple current in power supplies and providing power for contactors.
• Delaying curve rising time to start or stop in the pulse circuit.
• Adding energy for coupling or filtering DC power.
• Offering biasing power for amplifiers.
• Filtering high frequency and low noise interference for audio power amplifiers.
• Compensating voltage for filter circuits.
• Relieving DC current in relay switching circuits.
• Surge absorbing and bypassing AC contactors.

The Working Principle of LXZ25VB222M12X35LL

The design of LXZ25VB222M12X35LL is consisted of two aluminum foil electrodes with each foil having been heated up and then immersed in an aqueous solution to form a thick oxide layer. The anode and the cathode are then connected to two leads. The current flow from the anode to the cathode is driven by a DC voltage across the capacitor. At the same time, the electrolyte (which is basically a conductive material) inside the capacitor serves as a medium for the ion migration, thus allowing electrons to flow through the capacitor in both directions.

When AC signals are applied, the capacitor divides the signal into two parts, one part is linked to the anode and the other is linked to the cathode. The first part has high-frequency currents while low frequency currents are passing through the latter part. The capacitor stores the energy of high frequency current, thus blocking the low frequency current from passing through the capacitor. In other words, the capacitor works as a filter for blocking high frequency signals entering the circuit or transmitting low frequency signals to other circuit sections.

Conclusion

To sum up, LXZ25VB222M12X35LL aluminum electrolytic capacitor features a large capacitance and wide working temperature range. It can be used in many fields for different purposes such as ripple current reduction, delay rising time, storing energy, and acting as a filter for frequency signals. Its working principle is simple but effective, the two aluminum foil electrodes inside the capacitor can store electrons and form a DC voltage when AC signals are applied to the capacitor.

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