T550B256M100BH4251

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Tantalum capacitors are a type of electrolytic capacitor that use a solid electro-positive tantalum material as the anode, and a porous oxide film as the dielectric. This combination of materials increases the surface area of the anode, and allows for higher capacitance values in a smaller package. The T550B256M100BH4251 is one of the products from AVX Corporation’s line of tantalum capacitors. This device is a compact, low-voltage, high-capacity, surface mount capacitor that can be used in a wide range of applications.

Applications

The T550B256M100BH4251 is designed for use in a variety of applications, including power supply decoupling, signal line filtering, compensation, and other DC applications. This device is especially suitable for applications that require low-voltage operation, high capacitance, and a smaller footprint, such as handheld electronics and portable medical devices.

Design Features

The T550B256M100BH4251 is an electrolytic capacitor constructed with a solid tantalum anode and an oxide-based dielectric, which provides excellent capacitance stability over voltage, temperature, and frequency variations. It has an effective capacitance of 256µF, an operating voltage of 16V, and a maximum temperature range of -55C to 125C.

The T500B256M100BH4251 has a number of physical design features. It utilizes a low-profile, surface-mount design with a maximum height of 2.2mm, allowing for flexible installation in a variety of applications, including those with tight-fitting components. It also features gold, tin, and nickel plating, which provide excellent corrosion resistance and improved electrical performance. Finally, it has a wide operating temperature range, allowing it to perform reliably in a variety of environmental conditions.

Working Principle

The working principle of the T550B256M100BH4251 is based on the capacitance of a solid-state device. When electrical energy is applied to the device, the anode and dielectric materials form a space charge that stores the energy in the form of an electrostatic field. As the charge increases, the difference in potential between the two components increases and a potential difference is created between the anode and the cathode. This potential difference is known as the “capacitance” of the device. The capacitance of the device remains constant, even when the voltage of the device is changed.

The device also has a high "Q" factor, which is a measure of the device\'s ability to maintain its capacitance over a wide range of frequencies. The higher the Q factor, the better the device can maintain its capacitance in response to varying frequencies. This makes it ideal for use in high-frequency applications.

Conclusion

The T550B256M100BH4251 is a highly reliable, low-voltage, high-capacity surface mount capacitor from AVX Corporation. This device is ideal for applications that require high capacitance, low-voltage operation, and a small footprint, such as handheld electronics and portable medical devices. Its effective capacitance, maximum temperature range, and high Q-factor make it well-suited for high-frequency applications, while its low-profile design and corrosion-resistant plating provide reliable installation and operation in a variety of environmental conditions.

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