TDC475K010NSE

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Tantalum Capacitors

Tantalum capacitors are electronic components made of tantalum metal exhibiting great capacitance per unit volume that are commonly used in a wide range of applications. They are available in several different package styles including miniature surface-mount and through-hole. They are used to store electricity, act as filters, and improve signal-to-noise ratio in a variety of electronic applications.

TDC475K010NSE is a tantalum capacitor with a maximum capacitance of 4.7uF and a working voltage of 10V. This specific package style is the surface mount variety. It is especially useful in applications where a small size is needed to save on space, as it has an overall package size of only 4.5mm x 6.0mm.

Application Fields

TDC475K010NSE capacitors are primarily used in power supply designs. They offer reliable, high-density energy storage, which helps to reduce ripple current and minimize the size of power supplies. They are also widely used in DC- or AC-DC circuits.

In portable devices, such as laptop computers and smartphones, these capacitors are used to filter and reduce interference. Bypass and Coupling filters are used to filter out high-frequency noise such as EMI while improving signal-to-noise ratio. They are also used to smooth out the ripple voltage in switching power supplies, providing a more uniform output voltage during periods of high current draw.

Tantalum capacitors can also be used to reduce the effect of supply voltage changes on a simple signal chain. This is especially useful in radio receivers and other analog circuits which require a constant voltage in order to maintain the required signal-to-noise ratio.

Working Principle

Tantalum capacitors work in a similar way to other types of capacitors, such as those made of ceramic or electrolytic. They consist of two conductive plates separated by an insulating material known as a dielectric which can be either solid or liquid. When a voltage is applied across the capacitor, an electric field is created in the dielectric material. The electric field creates an attraction between the plates that creates a small electrical charge. This stored electrical charge is what is known as the capacitance.

Tantalum capacitors are constructed in a unique way that utilizes tantalum metal in the form of a thin irregularly shaped plate, known as a "pellet". The pellet is then typically covered in a protective coating or oxide layer. A second layers is added to form the second plate of the capacitor.

TDC475K010NSE capacitors use manganese oxide as the dielectric material, creating a an extremely stable device. The manganese oxide layer increases the capacitance significantly while also providing excellent dielectric properties that offer a high working voltage.

Tantalum capacitors can be used in a variety of applications as they offer several advantages, such as high capacity per unit volume, long working life, and stable performance. TDC475K010NSE capacitors are capable of handling high current levels and are mainly used for filtering and improving the signal-to-noise ratio in circuits.

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