4SWZ180MR09 Capacitors

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Aluminum polymers capacitors (also referred to as "Al-polymer capacitors") are high-quality capacitors that are becoming increasingly popular in a wide range of industrial and consumer applications. They are known for their superior high voltage capability, low temperature derating, and long life. The 4SWZ180MR09 is an example of an Al-polymer capacitor, which is suitable for motor drive circuits, AC/DC and DC/DC converters, and power supplies.

Al-polymer capacitors are a type of electrolytic capacitor that uses a polymer film as the dielectric material. The polymer film is sandwiched between two aluminum foils that act as the electrodes. The polymer dielectric enables Al-polymer capacitors to provide superior performance over traditional electrolytic capacitors. Specifically, they have higher temperature resistance, low ESR (Equivalent Series Resistance), higher working voltages, and longer life. In addition to these advantages, Al-polymer capacitors are more resistant to humid environments, making them ideal for applications where reliability and long life are crucial.

When compared to traditional electrolytic capacitors, Al-polymer capacitors are slightly more expensive, due to the higher cost of the polymer film and manufacturing process. However, they can still be found in the same range of sizes and values as aluminum and tantalum electrolytic capacitors. The 4SWZ180MR09 is a compact, 18-volt part with a low ESR, good temperature stability, and long life expectancy.

The 4SWZ180MR09 can be used in a variety of applications, including motor drive circuits, AC/DC and DC/DC converters, and power supplies. In all of these applications, the Al-polymer capacitor provides a host of benefits when compared to traditional electrolytic capacitors. The low ESR and high working voltage, combined with its robustness in humid conditions, make it an ideal choice for any application where reliability and long life are paramount.

The working principle of the 4SWZ180MR09 is identical to that of other Al-polymer capacitors. Fully charged, the capacitor acts as an open circuit, allowing current to flow freely. When a voltage is applied to the capacitor, the polymer dielectric is activated and current flows, charging the capacitor. At this point, the voltage across the capacitor is equal to the applied voltage. Once the capacitor is fully charged, the current flow stops and the capacitor acts like an insulated gap.

In summary, Al-polymer capacitors are a type of electrolytic capacitor that provides higher temperature resistance, low ESR, higher working voltages, and longer life than traditional electrolytic capacitors. The 4SWZ180MR09 is an example of an Al-polymer capacitor, which is suitable for motor drive circuits, AC/DC and DC/DC converters, and power supplies. It features an 18-volt rating, low ESR, good temperature stability, and longer life expectancy than other types of capacitors. The working principle of the 4SWZ180MR09 is identical to other Al-polymer capacitors, allowing current to flow freely when a voltage is applied and acting as an insulated gap once fully charged.

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