T491D226M020AT7128

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Tantalum capacitors are a type of solid electrolytic capacitor. They are made using Pt-doped Ta2O5 dielectric, with an anode composed of Ta. They provide excellent electrical properties relative to their size and maintain high capacitance in all types of applications.

T491D226M020AT7128 is a tantalum capacitor with a maximum capacitance of 2.2µF. It has a maximum working voltage of 6.3 Volts, and a maximum operating temperature of 125°C. As such, it is suitable for use in a wide range of applications, from industrial and consumer applications to military, aerospace, and medical applications.

Working Principle

Tantalum capacitors use an electrolyte as the dielectric material, with an anode composed of Ta. Electrolytes are considered non-dielectric materials because they are not affected by electric fields. Tangalum capacitors are made with a high purity dielectric, which ensures reliable and consistent performance.

When a current is applied to the capacitor, electrons flow through the anode into the electrolyte, where they react with the anode ions. This charging of the anode causes the anode voltage to rise, creating an electric field. This electric field then causes an excess of positive charges on one side of the capacitor and an excess of negative charges on the other side. This creates the necessary electric potential between the two sides of the capacitor, storing energy.

Application Field

Tantalum capacitors are widely used as energy storage devices in a variety of applications. Their small size, high capacitance, and high working voltage make them suitable for use in applications where space is limited, such as in mobile phones, laptops, and handheld devices. The high capacitance and wide working temperature range also allow them to be used in motor drives, power supplies, medical equipment, automotive electronics, and military applications. They are also used as filters for noise reduction, for filtering high frequency signals, and for timing in digital circuits.

The T491D226M020AT7128 tantalum capacitor is an ideal energy storage device, providing excellent performance in a wide array of applications. Its two-terminal construction, small size, and reliable performance ensure that it is suitable for use in the most demanding of applications.

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