T491D476M020AT7454

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Tantalum capacitors are widely used in many electronic applications due to their good temperature stability and low resistivity. Tantalum capacitors are also produced in many different sizes, with the T491D476M020AT7454 being one of the most common types.

The T491D476M020AT7454 tantalum capacitor is a surface mount device measuring 4.92mm in length by 3.18mm in width and having a maximum height of 1.15mm. The capacitor consists of a cylindrical capacitor element and two metal end caps with a dielectric in between. It is designed to provide low-loss performance, high operating temperature, high stability, and ultra-low ESR (Equivalent Series Resistance) making it suitable for a variety of electronic applications.

The most common application for the T491D476M020AT7454 tantalum capacitor is for decoupling in AC-DC power converters. The capacitor is also used for filtering, energy storage, and noise reduction in many industrial, automotive, and consumer electronics applications.

The working principle behind the T491D476M020AT7454 tantalum capacitor is the same as any other type of capacitor. The capacitor stores energy and thus functions as an energy storage device. When a voltage is applied to the capacitor, an electric field is created inside the capacitor, which causes electrons to move between the plates, thus creating a current flow. The size of the current flow is dependent on the amount of charge stored on the capacitor, and the time period over which it is stored.

The operating temperature range of the T491D476M020AT7454 tantalum capacitor is -55°C to 125°C and its maximum ripple current is 3.2A@100KHz. It has a capacitance of 4.7µF with a capacitance tolerance of 20%. The rated voltage of this capacitor is 2V, and it has a rated capacitance satisfaction of 12%. The resistor equivalent series (ESR) for this capacitor is 0.32 ohm and its low ESR makes it suitable for applications that require higher ripple current.

The T491D476M020AT7454 tantalum capacitor is a rugged and reliable device that provides excellent temperature and voltage stability. It is high in capacitance and low in ESR, meaning it is able to store more energy without increasing the amount of resistance in the circuit. The capacitor is also suitable for low voltage, high current applications as well as AC-DC power converters.

In conclusion, the T491D476M020AT7454 tantalum capacitor is a versatile device that can be used in many different applications due to its high capacitance, low ESR, and reliable performance. It is well suited for AC-DC power converters as well as a variety of other electronic applications. The capacitor\'s working principle is based on the same concept as other capacitors and its reliability makes it an ideal choice for a variety of applications.

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