LNK2G472MSEHBB

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are commonly used passive components in electronic equipment such as consumer electronics, industrial equipment, and automotive components. The look and design of them are ‘capacitors’ in general, but they differ in that they contain a layer of aluminum foil that is rolled, and usually insulated with paper, and at least one layer of electrolyte.

The LNK2G472MSEHBB is an aluminum electrolytic capacitor and is widely used in industrial equipment, due to its long lifetime and broad temperature range. They are especially suited for input smoothing and energy storage applications.

Application Fields

The LNK2G472MSEHBB is commonly intended to be used as decoupling capacitors on the output of switching power supplies, and to reduce the power line ripple response on the input of such supplies. This helps ensure that any voltage that does get back onto the circuit does not cause malfunctions and/or interference. In addition, aluminum electrolytic capacitors also play an important role in the filtering of power signals.

The LNK2G472MSEHBB also has an advantage in audio applications, such as TV sound systems, speaker crossover networks, and pre-amps. The capacitor can provide a smooth DC voltage to audio transistors and amplifiers, ensuring a consistent frequency on the signal while providing some ripple removal.

Working Principle

An aluminum electrolytic capacitor is essentially constructed out of two foil plates that are curved into a cylinder and separated by an insulating material known as a dielectric. In between the dielectric there is an electrolyte which functions to supply the required capacitance. Electrolytes generally use either a water or oil-based liquid or a conductive polymer to supply the capacitance. When a voltage is applied across the capacitor, a current flows through the circuit due to the nature of the electrical properties of aluminum being polarizable.

The LNK2G472MSEHBB is a polarized capacitor, meaning that there is a positive and negative terminal. The polarity of the terminals must be respected, if reversed the capacitor can be damaged beyond repair. The connector terminals on the LNK2G472MSEHBB consist of four lead pins, two positive (+) and two negative (-). This allows the capacitor to be connected in either a series or parallel configuration, depending on the needs of the circuit. The use of the four pins helps reduce the voltage drop across the capacitor when connected in either configuration.

Aluminum electrolytic capacitors also offer a greater degree of protection from static electricity compared to other types of capacitors. This makes them especially appealing for use in applications prone to static charges such as high altitude electronics and robotics. 

Aluminum electrolytic capacitors have a long life span and a great tolerance of temperature differences. This makes them useful for applications in both high-duty and temperature sensitive applications. They are also great for transient protection applications in radio frequency and power lines.

Conclusion

The LNK2G472MSEHBB aluminum electrolytic capacitor is an excellent choice for many applications due to its long life and tolerance to temperature variations, whether it is used in a consumer electronics application or a heavy-duty industrial application. The use of four pins also allows for the capacitor to be connected in a series or parallel configuration, allowing for the needed filtering capabilities. This makes the LNK2G472MSEHBB a great choice for decoupling capacitors, power line smoothing, energy storage, and general audio applications.

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