MAL210119223E3

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Aluminum electrolytic capacitors are widely used in electronic circuits due to their high capacity and small size. MAL210119223E3 is one of the special aluminum electrolytic capacitors, it is a bipolarchip electrolytic capacitor offering additional features such as screw terminals and a wider temperature range. The ratings of MAL210119223E3 range from 1000uF to 4500uF with voltage ratings of 6.3V to 45V.

The application field of MAL210119223E3 straddles many fields. Power supplies are probably the most common application where high capacitance is necessary. MAL210119223E3 can be used in high-current circuits, such as industrial motor drives, automotive audio applications, DC-DC power converters, and high-power applications. Because of the extended temperature range, these capacitors are suitable for automotive and outdoor applications.

Working Principle

The construction of a typical aluminum electrolytic capacitor is composed of two pieces of aluminum foil, separators and an electrolyte. The two pieces of aluminum foil are separated by separators, and electrolyte with high molecular polymer and ions is filled between the two pieces of aluminum foil. An anode and a cathode are formed. Under the action of the electric field, the electrons of the anode are transferred to the cathode and ionized, and the anode becomes positively charged, and the cathode becomes negatively charged. During the charging process, the electrolyte forms an electrochemical double-layer capacitor.

When the capacitor is immersed in the electrolyte, ions in the electrolyte and electrons on the anode and cathode form a compact electric double-layer, which is equivalent to a dielectric medium, resulting in capacitive effect. The capacitance of an aluminum electrolytic capacitor is closely related to its structure and physical properties.

Capacitance Stability

Aluminum electrolytic capacitors are widely used in high-precision markets, such as in medical equipment or avionics applications. For such applications, high reliability and stability are essential. MAL210119223E3 aluminum electrolytic capacitors ensure stability over a wide temperature range, with a dielectric absorption ratio of 0.03% or less.

The capacitance stability of MAL210119223E3 is within ±20% of the rated capacitance for 1000 hours at a given temperature, humidity and voltage. They also have excellent capacitance and ESR retention after 10,000 hours of operation at +105℃. This ensures their reliable performance in medical and aerospace applications.

Conclusion

Overall, MAL210119223E3 aluminum electrolytic capacitors boast excellent capacitance stability, wide temperature range, and high capacity. This makes them suitable for a variety of applications, including power supplies, industrial motor drives, automotive audio applications, and DC-DC power converters. With their high performance and reliability, MAL210119223E3 aluminum electrolytic capacitors are an excellent choice for any application.

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