338CKE016M

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Aluminum Electrolytic Capacitors

Aluminum Electrolytic Capacitors – 338CKE016M – are part of a family of capacitors distinguished by creating a large capacitance per unit volume. Using two aluminum foils with an ion-permeable membrane acting as the dielectric, these capacitors offer extremely high capacitance in a relatively small package.

Application Field

Aluminum Electrolytic Capacitors offered by338CKE016M have a wide range of applications such as in medical, military, automotive, communications and consumer electronics.The main uses of these capacitors include, filtering power supplies, controlling frequency drift, providing buffering and bridging ac and dc power lines. Depending on the application, Aluminum Electrolytic Capacitors are usually connected in series or parallel configurations.

Working Principle

The working of Aluminum Electrolytic Capacitors derives from Faraday\'s Law of Capacitance. This law states that the capacitance of a parallel plate capacitor is proportional to the area of the plates and inversely proportional to their distance. This means that for a constant area; capacitance is determined by the distance between the plates. The 338CKE016M capacitors comes equipped with two tantalum foil layers for positive and negative terminals with a highly permeable insulator in between.

The electrical field created between the two aluminum layers initiates a flow of current which is then blocked by the ion-permeable membrane. This ion-filled membrane is kept in our Aluminum Electrolytic Capacitors by a sealant wax or a pressure release vent. It must also be ensured that the membrane remains sealed and uncontaminated to prevent a short circuit between the two plates.

The capacitance of the338CKE016M capacitor can be varied by manipulating the area of the plates or their gap distance, retaining Faraday’s law. The capacitance of these capacitors can be as high as 1,000µF and provide an efficient filter solution compared to other capacitor technologies. The capacitor can also be charged more quickly than a regular capacitor and has good frequency performance.

Conclusion

Aluminum Electrolytic Capacitors – 338CKE016M – offer a high capacitance in a small package and are used for filtering power supplies, controlling frequency drift, providing buffering and bridging ac and dc power lines in a variety of applications. Their technology works on the principles of Faraday’s Law of Capacitance and their capacitance can be increased or decreased by manipulating the area of the capacitor plates or by adjusting the gap distance.

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