MAL210187224E3

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Aluminum electrolytic capacitors are electronic components widely used in consumer electronics, automotive systems, and industrial automation. They are commonly employed as decoupling capacitors in power supplies and audio systems, as well as in analog circuits. The MAL210187224E3 is a radial-lead aluminum electrolytic capacitor with an operating temperature of -60°C to +105°C, a rated voltage of 160V, a capacitance of 220µF, and a leakage current of 0.03CV or 5mA, whichever is greater. The MAL210187224E3 is designed specifically to be used in circuits requiring high capacitance values and long operating lifetimes.

The main function of aluminum electrolytic capacitors is to act as decoupling capacitors in rectangular wave, AC/DC convertors, and other applications where filtering of high-frequency noise and DC ripple is needed. In addition, they can also be used to regulate power supply voltages by storing and discharging current.

The structure of an aluminum electrolytic capacitor consists of a membrane or ripple foil made out of aluminum, an anode foil, a separator material, an electrolyte, and a cathode. All of these components are sealed in an aluminum or resin case to prevent corrosion and to secure good electrical insulation properties. The capacitance of an aluminum electrolytic capacitor is determined primarily by the surface area of the aluminum foil that is exposed to the electrolyte and it is expressed in Farads (F).

The working principle of the MAL210187224E3 is simple but effective. When a DC voltage is applied to the capacitor, the aluminum foil becomes charged with electrons, creating a negative electric field around the anode. This field attracts positively-charged protons from the electrolyte, so that a layer of positive charge builds up around the anode. At the same time, charge is repelled at the cathode, leading to a layer of negative charge. The potential difference between the two layers creates an electric field, which enables the capacitor to store and release energy.

The MAL210187224E3 is most commonly used in DC power supply circuits where filtering of high-frequency noise and DC ripple is needed. It is also ideal for point of load converters and switching power supply circuits where low ESR and high ripple current capacity are desired. Its long-life characteristics also make it resistant to temperature and voltage variations.

In conclusion, the MAL210187224E3 is an aluminum electrolytic capacitor designed specifically for DC power supply and filtering applications. It is capable of storing and releasing energy efficiently and provides excellent temperature and voltage stability. With its long shelf life, it is a reliable and cost-effective way to reduce ripple and reduce high-frequency noise in power supplies.

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