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Aluminum Electrolytic Capacitors

An Aluminum Electrolytic Capacitor, commonly just a “capacitor”, is an electrical component storing potential energy in the form of static charge. Capacitors come in many shapes and sizes to suit their many applications in the field of electronics.

ESMG6R3ELL472MK20S Application Field and Working Principle

The ESMG6R3ELL472MK20S is a radial leaded aluminum electrolytic capacitor. It is frequently used in low-power circuits such as audio, video, and signal amplification circuits. Its general application field is in general electronic projects such as clocks, alarms, robotics, and general purpose prototyping.

The ESMG6R3ELL472MK20S works by charging a dielectric material to store potential energy. This works by having two metal “plates” and a dielectric material in between them. The plates will become charged by an electrical current. Positively charged ions from the current will become attracted to the negative side of the capacitor and oppositely charged negative ions will become attracted to the positive side of the capacitor. Because of this the dielectric material in between the plates will become slightly positively charged on one side and slightly negatively charged on the other side.

When the charge of the capacitor initially has an electrical current, the voltage of the capacitor will rise until it matches the voltage of the power source, then it will level off. This is the properties of capacitance. It will take a certain amount of time for the capacitor to charge, depending on the capacitance of the capacitor. This is known as the charging time constant.

When the capacitor is over charged, it can become damaged. This is because the capacitor has a voltage limit, when this is exceeded the dielectric material of the capacitor will begin to break down causing permanent damage to the capacitor.

The working temperature for the ESMG6R3ELL472MK20S is -40°C to +85°C. It should also be mentioned that capacitors come in different “tolerance values”, that is, there will be a range of up to 20% that the capacitor can be charged with and still function effectively.

In order to ensure that the ESMG6R3ELL472MK20S works effectively, the load should also be considered. When circulating a current through the capacitor, the current should be kept as low as possible to avoid damage to the capacitor. It is also important to ensure that the correct polarity is applied when using a capacitor to avoid damage.

Conclusion

The ESMG6R3ELL472MK20S aluminum electrolytic capacitor is an efficient and reliable component for various low-power electronics. It is important to keep the load on the capacitor at a low level and also ensure that correct polarity is applied in order to get the most efficient use out of the capacitor. The capacitor also has temperature restriction and certain "tolerance values" which should be taken into account.

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