M551B348M008AA

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Tantalum - Polymer Capacitors

Tantalum - Polymer Capacitors are components used in electronics and electrical engineering - specifically for the purpose of storing energy. The M551B348M008AA is an example of this type of capacitor. This article will provide an overview of the M551B348M008AA’s application field and its working principle.

Applications

The M551B348M008AA is designed for use in audio, automotive, communications, consumer, dust and moisture resistant, industrial, instrumentation, medical, portable, telecommunication, and other applications. Its specific use as a capacitor is to store energy and release it when needed. Its most common use is to reduce power fluctuations and smoothen current flow. The device can also be used to back up or protect a system, as well as filter noise.

The M551B348M008AA stands out from other capacitors due to its capacity and ability to reduce ESR (Equivalent Series Resistance). The capacitor features an electrolyte amount of 0.35µF, an operating temperature range of -55°C to +125°C, and a maximum ripple current of 180mA. Its ultra low ESR and extended temperature range makes it suitable for high switching frequency applications such as DC/DC converters, Point-of-load (POL) regulators, or critical power applications.

Operation Principles

The M551B348M008AA capacitor operates by accumulating and storing electric charges as a charge. This is achieved by having two conducting plates, which have been separated by an insulating material. The conducting plates are then connected to a live power source, resulting in the accumulation of electric charges at one plate, while the other plate collects the opposite of these charges. This forming an electric field between the two plates. The strength of the electric field is determined by the amount of charge stored and the distance between the two plates.

When a charge is applied to the capacitor, it goes through an energy transformation process. This happens because electrical energy is converted into a form of stored energy. The stored energy is capable of releasing at a later time, when the power source is removed from the capacitor. This allows the capacitor to act as a power stabilizer by releasing the energy stored when the voltage drops suddenly, preventing power surges.

The M551B348M008AA capacitor also works by filtering noise. This is done by working as a high- pass filter by blocking the flow of low-frequency signals and allowing the higher-frequency signals. The high-pass filter, however, will either pass or block the frequency signals according to the capacitor’s capacitance. The higher the capacitance, the higher the frequency that can be passed through the filter. The M551B348M008AA, due to its higher capacitance, is ideal for use in noise filtering.

Conclusion

The M551B348M008AA capacitor is a versatile component used for storing and releasing energy, power stabilizing, and noise filtering. It is designed for use in multiple applications such as audio, automotive, and instrumentations. Its ultra-low ESR and extended temperature-range makes it suitable for high switching frequency applications. The capacitor operates by accumulating electric charges on two conducting plates, which in turn is translated into stored energy. Further, when these charges are applied to the device, it has the ability to act as a power stabilizer and filer noise.

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