160WXA220MEFC18X25

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Aluminum electrolytic capacitors are electrochemical components that use the principle of electrolyte soaking to store charge. They have a very high capacitance and are widely used in electronics. The 160WXA220MEFC18X25 is an aluminum electrolytic capacitor, and it is no exception. Knowing its application field and working principle can help us better understand how it is used and the benefits it can provide.

Physical Appearance

The 160WXA220MEFC18X25 is a two-terminal device with an extended-terminal design. The capacitor has an aluminum case and is enclosed with a plastic lid or lidless top. The lead wires are attached to the terminals and the leads are secured by a plastic epoxy molding compound. The capacitor measures 18mm in diameter and 25mm in height.

Specification

The rated voltage of this capacitor is 160V, the rated capacitance is 220μF, and the rated temperature is 85℃. In addition, it has a rated ripple current of 305mA, a maximum RMS voltage of 500V, a maximum operating temperature of 105℃, a leak resistance of ≈ 200MΩ, an insulation resistance of 6600MΩ, a capacitance tolerance of ± 20%, a maximum leakage Current of 0.25mA, a self-resonant frequency of 28kHz, and a maximum frequency of 1MHz.

Application Field

The 160WXA220MEFC18X25 is mainly used in areas that require high stability of electrical components. It is a widely used capacitor in applications such as switching power supplies, audio equipment, LED drivers, and DC-DC converters. In addition, it is also suitable for low-frequency high-current applications such as high-power chargers and batteries.

Working Principle

Aluminum electrolytic capacitors use electrolytic soaking to store electrical charge. When a DC voltage is applied across two aluminum plates, the electric field created will force the positively charged ions of the electrolyte into an electrolyte solution which covers the anode plate. An electrolyte film is formed on the surface of the anode plate which increases the capacitance. When the voltage is removed, the electric field disappears and the ions move back slowly into the electrolyte solution.

The capacitance of an aluminum electrolytic capacitor is determined by its plate size, the dielectric thickness, and the area of the electrolyte solution. The 160WXA220MEFC18X25 is designed to be able to handle high current and high voltage applications, and it is able to enhance the stability and reliability of electrical components.

Advantages

The 160WXA220MEFC18X25 has a number of advantages over other types of capacitors. It has a high capacitance, high ripple current rating, low impedance, low ESR, and high reliability. In addition, its compact size makes it ideal for applications where space is limited. The capacitor is also resistant to vibration and shock, making it suitable for use in harsh environments. Its extended-terminal design also ensures a better electrical contact with the PCB.

Conclusion

The 160WXA220MEFC18X25 is an aluminum electrolytic capacitor designed for high-current and high-voltage applications. It has a high capacitance, high ripple current rating, low impedance, low ESR, and high reliability. It is mainly used in applications such as switching power supplies, audio equipment, LED drivers, and DC-DC converters. The capacitor is also resistance to shock and vibration, making it suitable for use in harsh environments. Knowing its application field and working principle will help you make the best choice when designing your electronic application.

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