25MXG12000MEFCSN22X40

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Aluminum Electrolytic Capacitors are in wide use in consumer and industrial electronics due to their high capacitance per unit volume. The 25MXG12000MEFCSN22X40 is an example of such a capacitor, and its application field and working principle are outlined in this article.

Applications

The 25MXG12000MEFCSN22X40 is a cylindrical aluminum electrolytic capacitor mainly used for high frequency pulse noise and EMI circuits. It is also suitable for general DC applications in automotive, electrical and consumer products, where the device requires a high capacitance per unit volume. The capacitor is specified for use in a wide temperature range, from -40 °C to +105 °C, making it suitable for many industrial and consumer applications.

The 25MXG12000MEFCSN22X40 also has a high ripple current rating, allowing it to be used in high-frequency applications such as switching power supplies. This makes the capacitor suitable for use in both AC and DC applications.

Working Principle

An aluminum electrolytic capacitor is an electronic component that stores an electrical charge in between two metalized electrodes. The two electrodes are separated by an electrolyte solution, and the capacitance of this device is determined by the type of electrolyte and the surface area of the electrodes.

In the case of the 25MXG12000MEFCSN22X40, the electrolyte is a solution of aluminum oxide, and the electrodes are made of aluminum. When a voltage is applied to the capacitor, the oxide layer is charged, resulting in an increase in capacitance. This stored charge constitutes the stored energy of the capacitor, which can be released as a current to provide power to the circuit.

The voltage rating of the 25MXG12000MEFCSN22X40 is specified to be 100 VDC, and the capacitance is rated at 12,000µF. This combination of voltage and capacitance makes the capacitor suitable for high power and pulse applications such as high-frequency switching power supplies.

Another important aspect of the 25MXG12000MEFCSN22X40 is its high ripple current rating, which is specified to be 1.2A@100kHz. This high ripple current rating allows the capacitor to be used in high-frequency applications, where it can be used to filter out noise and minimize EMI.

Conclusion

The 25MXG12000MEFCSN22X40 is a cylindrical aluminum electrolytic capacitor that is suitable for a wide range of applications in electrical and consumer electronics. Its low profile and high capacitance make it suitable for use in high-frequency applications such as switching power supplies and EMI/noise filters. The high ripple current rating and temperature range also make the capacitor suitable for use in industrial and automotive applications.

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