M551B687M030AS

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Tantalum capacitors, also known as tantalum electrolytic capacitors, are commonly found in consumer electronics and industrial equipment. They are very reliable, having a long life span and performing, maintaining a stable voltage across the entire life of the capacitor. The M551B687M030AS is a polarized, surface-mount, capacitively-coupled tantalum polymer capacitor manufactured by KEMET. This capacitor features an extended case size, a thicker anode material, and increased capacitance and voltage ratings when compared to other surface-mount tantalum capacitors.

Application Field of M551B687M030AS

The M551B687M030AS is a high performance capacitor used in a variety of applications ranging from high frequency filtering, bypassing, signal decoupling, power management, and protection circuits in consumer electronics, medical equipment, aerospace, automotive, and military applications. Its small size and high capacitance make it ideal for use in printed circuit boards and other high-density assemblies.

In consumer electronics, the M551B687M030AS is used in power amplifiers, video-game consoles, cameras, and audio/video equipment where high density and low ESR are required. Its high capacitance is an important factor in ensuring reliable power to the devices. In aerospace and automotive applications, the M551B687M030AS is ideal for applications that require high temperature and high voltages, such as engine control systems, lighting systems, and navigation systems.

In military applications, the M551B687M030AS is used in avionics, radar systems, and communications systems. Its low ESR and high capacitance make it particularly suitable for high frequency filtering and signal decoupling. Medical applications include pacemakers and implantable medical devices, where a reliable and stable power supply is essential.

Working Principle of M551B687M030AS

The M551B687M030AS is a polarized tantalum capacitor. This means it must be installed in a specific orientation with the positive and negative terminals correctly oriented for proper performance. When the capacitor is connected to a voltage source, the positive and negative terminals of the capacitor attract electrons from one another, creating an electric field. The electrons then move between the positive and negative plates of the capacitor, creating a charge.

The charge created by the capacitor can then be used to power a circuit or to reduce noise. The amount of charge that can be stored in the capacitor is determined by its capacitance. The M551B687M030AS is able to store a relatively large amount of charge in a very small package due to its thick anode material and extended case size.

In addition to its high capacitance, the M551B687M030AS also boasts a relatively low equivalent series resistance (ESR). This is an important factor when operating at high frequencies, as it enables the capacitor to handle higher levels of current without dielectric breakdown.

Conclusion

The M551B687M030AS is a high-performing, reliable capacitor used mainly in consumer electronics, aerospace, automotive, military, and medical applications. Its small size and high capacitance make it perfect for high-density assemblies, and its low ESR allows for efficient noise suppression when functioning in high-frequency circuits. This capacitor has been designed to withstand extreme temperatures and high voltages, making it suitable for a wide range of applications.

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