35SVPK22M Capacitors

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Aluminum-Polymer Capacitors are a type of electrical component found in practically all types of electronic circuits. They are commonly used as part of a power supply or as an energy storage device, due to their very high capacitance per unit volume and their excellent electrical performance. The 35SVPK22M is one particular type of aluminum-polymer capacitor featuring high capacitance and long life.

Description and Applications of 35SVPK22M

The 35SVPK22M is an aluminum-polymer capacitor with a case size of 20 mm and a height of 11 mm. It is composed of a metalized aluminum dielectric and a conducting polymer cathode. The capacitance value of this capacitor is rated from 4700 to 7200 µF, with a rated voltage of 35 Vac. This capacitor is primarily used in filtering, smoothing, and buffering applications including power supplies and energy storage devices. It is also suitable for applications such as LCDs, LED backlight circuits, automotive, and general purpose industrial controls.

Advantages and Disadvantages of 35SVPK22M

The advantages of the 35SVPK22M include its high capacitance, long life, and low equivalent series resistance (ESR). The low ESR value guarantees that a high ripple current can be supported, making it ideal for power supplies and energy storage applications. Furthermore, this capacitor offers a high electrical performance due to its excellent temperature stability and good self-healing properties. In addition, the 35SVPK22M also features a small case size, making it very compact.

The primary disadvantage of the 35SVPK22M is its high cost. Due to the complexity of its construction and its large capacitance, the cost of this capacitor is relatively high. Furthermore, these capacitors are sensitive to the temperature of their surroundings and can be damaged easily due to overcharging.

Working Principle

The 35SVPK22M works on the principle of a capacitor. A capacitor is a device used to store electrical energy in between the two conducting electrodes or plates. When a potential is applied to the plates of a capacitor, electrons accumulate on one plate while the other plate is depleted of electrons, thus forming an electrical field between the two plates. This charge separation forms a static electrical field which can be used to store energy.

In the case of the 35SVPK22M, the two conductive plates are comprised of a metalized aluminum dielectric and a conducting polymer cathode. The metalized aluminum dielectric acts as the anode and the conducting polymer cathode acts as the cathode. The capacitance of this device is determined by the area of these electrodes and the thickness of the aluminum dielectric. As an electrical field is created between the two plates, electrical energy is stored within the capacitor, ready to be released when the applied potential is removed.

Conclusion

The 35SVPK22M is an Aluminum-Polymer capacitor with a high capacitance and long life, making it suitable for power supplies, energy storage applications, and other industrial controls. Its low ESR value guarantees a high ripple current, while its small case size makes it compact and efficient. Although this capacitor has a high cost, it has several advantages that make it a reliable choice for many applications. Finally, its working principle is based on the principles of a capacitor, wherein electrical energy can be stored between two conductive plates.

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