450MXC22MEFC20X20

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Aluminum electrolytic capacitors, sometimes called electrolytic capacitors or polarized capacitors, are a type of capacitor with a very high capacitance in proportion to its volume. They are commonly used in power supplies and other electronic circuits. The 450MXC22MEFC20X20 is an aluminum electrolytic capacitor.

Aluminum electrolytic capacitors are made from two aluminum foil plates separated by a thin layer of oxide film. The plates are rolled to form a spiral shape, which increases internal surface area and capacitance. Each foil is coated with an electrolyte, usually an organic solvent with a solvent, and capacitance values are obtained by varying the thickness of the oxide layer. The electrolyte serves several purposes: it helps to form a solid hygroscopic oxide film, it helps to reduce internal resistance, it helps to increase current handling capability and it acts as a dielectric. Voltage ratings are determined by the thickness of the oxide layer and the type of electrolyte.

The 450MXC22MEFC20X20 aluminium electrolytic capacitor has a capacitance of 470uF, rated voltage of 450VDC, capacitance tolerance of ± 20%, an operating temperature range of -40°C to 105°C, and a life expectancy of 2000 hours. It has a maximum leakage of 3uA at 25°C and 0.5uA at 105°C. The capacitor has a maximum ESR of 0.051ohm (100kHz) and a maximum Impedance of 0.110ohm (100kHz). The capacitor is also rated for an operating Lifetime of 4000 hours at 85°C.

The 450MXC22MEFC20X20 aluminum electrolytic capacitor has a wide range of applications in various markets, including power supplies, audio equipment, voice and signal processing equipment, instrumentation, medical, automotive, military, and aerospace. The capacitor is used to supply energy to the circuits, reduce noise by controlling its peak level or rapid changes in voltage, reduce impedance across a circuit and provide high frequency bypassing.

The working principle of the 450MXC22MEFC20X20 aluminum electrolytic capacitor is based on the principles of electrochemical capacitance. When a voltage is applied across the capacitor, ionic conduction takes place between the electrolyte and the anode. The polarized electrolyte helps form a solid electrolyte, so that a complete circuit is established. From a circuit point of view, the anode functions like a plate of a simple capacitor. As current flows through the device, an electrochemical reaction occurs, which forms a conducting surface layer (dielectric) on the anode. This reaction generates a capacitance which is significantly higher than capacitors using other types of dielectric materials.

In summary, the 450MXC22MEFC20X20 aluminum electrolytic capacitor is a high capacitance and voltage, long lifetime and low ESR capacitor which is used in a variety of applications. The working principle of the capacitor is one of electrochemical capacitance which creates a solid dielectric surface layer as current flows through the capacitor. With this principle, the capacitor is able to provide high capacitance and voltage, long life and low ESR compared to other type of capacitors.

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