T491A225M016AT4053

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Tantalum Capacitors

Tantalum capacitor, also known as tantalum electrolytic capacitor, is a type of an electrolytic capacitor, which is used in a wide range of applications from analogue and digital circuits to power management systems. It is made up of an anode metal and tantalum powder, and has excellent electrical characteristics for its miniature size. However, the cost and complexity of producing suitable manufacturing processes and dealing with the materials’ risks make them unsuitable for large-scale production.

The T491A225M016AT4053 is one of the most popular small tantalum capacitors on the market, manufactured through a specialized production process that yields a device with maximum capacitance, excellent transient performance and high current capability. The device can work in temperatures ranging from -55 to +125 degrees Celsius and is suitable for a wide variety of applications including high power circuits, DC-DC converters, motor drives, and motor control circuits.

Application Field

The T491A225M016AT4053 capacitor is suitable for a range of electronic applications, such as:

• High-frequency DC to DC converters, providing excellent transient performance
• High current DC power supplies, input and output filtering
• Analogue and digital circuits, providing excellent filtering and energy storage performance
• Motor drive circuits, providing reliable energy storage and filtering
• High power motor control and power management applications, providing reliable energy storage and filtering

Working Principle

Tantalum capacitors work by utilizing the anode material as a dielectric material, and the tantalum powder as an electrolyte. When a voltage is applied across the capacitor terminals, electric current flows through the electrolyte and causes a charge to build up on the anode. This charge creates a potential difference between the anode and the electrolyte and the electrolyte holds the charge until the voltage is removed. The amount of charge stored depends on the size and capacitance of the capacitor.

Tantalum capacitors feature an internal residual resistance called ESR. This is due to the resistance of the electrolyte and the small electrical leakage through bridge layers in the device. This resistance forms part of the capacitor’s impedance and determines the overall capacitance and transient response. The ESR should be considered when specifying a capacitor for high current circuits, as the ESR value becomes an important factor when evaluating the actual performance of the device.

The T491A225M016AT4053 capacitor is designed to work over a wide range of temperature and voltage, and is highly reliable in both high and low current applications. It is suitable for use in power management systems and other high frequency DC to DC converters. The device has excellent electrical characteristics, making it an ideal choice for a range of design applications.

Conclusion

The T491A225M016AT4053 tantalum capacitor is a specialized device that is made through a specialized process, yielding a device with maximum capacitance, excellent transient performance and high current capability. It is suitable for a range of applications, such as high-frequency DC to DC converters, motor drive circuits, analogue and digital circuits, and high power motor control and power management systems. The device has excellent electrical characteristics and is highly reliable in both high and low current applications, making it an ideal choice for a range of design applications.

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