T491A225M020AT7280 Capacitors

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Tantalum capacitors are widely used in consumer electronics, telecommunications, automotive, medical, military, and aerospace industries, making them extremely popular components. The T491A225M020AT7280 is a popular type of surface-mount tantalum capacitor that offers low ESR (equivalent series resistance) values and high capacitance levels in a small form factor. This article will discuss the application field and working principle of the T491A225M020AT7280.

Overview of the T491A225M020AT7280

The T491A225M020AT7280 is a surface-mount, molded tantalum capacitor with a capacitance value of 2.2μF and a rated voltage of 10VDC. It measures only 5.9 x 5.0 x 2.5 mm and has a capacitance tolerance of ±20%. It is very widely used in a variety of industries due to its small size, excellent capacitance values, and low ESR.

Application Field

The T491A225M020AT7280 capacitor is appropriate for a variety of general-purpose applications, such as bypassing, smoothing, and decoupling circuits. It is used in consumer electronics, telecommunications, power supplies, and home appliances, including cell phones, laptops, computers, digital cameras, televisions, DVD players, and more. It is also used in automotive electronics, medical devices, inverters, and military and aerospace applications.

Working Principle

The primary function of the T491A225M020AT7280 is to store energy in the form of electrical charge. It works by transferring current to and from the capacitor plate in response to an applied voltage. As more charge is put onto the plates, the capacitance of the capacitor increases. When the voltage is removed, the charge is slowly discharged from the capacitor plates, releasing the stored energy. This process is repeated as long as voltage is supplied to the capacitor.

The primary components of a tantalum capacitor are two pieces of conductive material, typically tantalum metal or a carbon material, separated by an insulating dielectric material. The capacitance of a tantalum capacitor is determined by the size, shape, and composition of the two conductors, and the dielectric material chosen. The performance of the capacitor is also influenced by the leaded length, the lead type, and the case size.

Conclusion

The T491A225M020AT7280 is a widely used surface-mount, molded tantalum capacitor with a capacitance value of 2.2μF and a rated voltage of 10VDC. It is used in a variety of general-purpose applications, such as bypassing, smoothing, and decoupling circuits, in consumer electronics, telecommunications, automotive electronics, medical devices, inverters, and military and aerospace applications. It works by transferring current to and from the capacitor plate in response to an applied voltage, and its performance is affected by the size, shape, and composition of the two conductors, the leaded length, the lead type, and the case size.

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