35PK330M10X12.5

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the main options within the electronics industry for creating electrical energy storage devices. These capacitors are classed as polarized capacitors due to the necessity for the correct polarity for operation. The capacitor name of 35PK330M10X12.5 is derived from the temperature range, rated voltage, capacitance, and maximum physical size it can be produced in.

Application field and Working Principle

The 35PK330M10X12.5 capacitor is primarily used in power-viable frequency control applications. They are economically used for energy buffering, frequency compensation, and peak power current handling in switching power supplies. This capacitor is equipped with biphasic radial leads, and features up to a maximum operating temperature of 85°C. Its rated voltage is up to 500VAC, and a capacitance of 330μF.

The general working principle of a 35PK330M10X12.5 involves the use of a dielectric, which is an insulating material between two plates. This results in an electric charge that builds on both plates. When the charges reaches a certain quantity on each plate, an electrical field will form and store the energy. This stored energy is later released by balancing the potential energy of the charges in the field.

Aluminum electrolytic capacitors also involve the use of a conducting material such as electrolyte acting as a bridge between two plates. This significantly increases the capacitance of the capacitor and is referred to as an electrolytic capacitor. The advantages of having an electrolyte bridge is that it features long lifespans, high capacitance values, and very low ESR or Equivalent Series Resistance.

Construction

The 35PK330M10X12.5 capacitor is made using two anodized aluminum plates that are rolled in shape. The anodization process helps to create an electrolyte bridge and gives these plates a thin dielectric oxide surface. This surface is extremely thin and has lots of electrical charge. The charges are held in the dielectric oxide layer and allow for the capacitor to store significant energy. The two plates are then connected to an electrolyte, which allows the energy stored in the dielectric oxide layer to be conducted through.

Each capacitor has two connecting leads that are placed for insertion into a PCB. These leads connect the plates to a voltage source. While the anodized plates are the main parts of the capacitor, the materials that are used to encase the plates are also important components for improving the unit\'s overall performance. This could be an insulating material, a metal case, or a dielectric material. Depending on the application that needs to be provided, these materials are chosen to meet the necessary safety requirements and protect the components from external factors that could otherwise damage the capacitor.

Conclusion

The 35PK330M10X12.5 capacitor is an aluminum electrolytic capacitor mainly used in power-viable frequency control applications. Its small size and high capacitance values make it an ideal choice for energy buffering, frequency compensation, and peak power current handling in switching power supplies. Aluminum electrolytic capacitors involve two anodized aluminum plates with a dielectric oxide layer, electrodes that bridge the plates, and insulating or metal cases to protect the capacitor from harm. With all these components, the 35PK330M10X12.5 capacitor is able to provide better performance and longevity at a lower cost than other types of capacitors.

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