T491X157K020ZT

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Tantalum Capacitors

Introduction

Tantalum capacitors are commonly used in electronic devices to store charge and release it when needed. These capacitors use the dielectric properties of tantalum oxide to store a charge, which can then be used to power a component in the device. The T491X157K020ZT is a type of tantalum capacitor, a product manufactured by the Kemet Corporation.

Applications of T491X157K020ZT

The T491X157K020ZT is a surface-mount chip tantalum capacitor with an extended temperature range (from –55°C to +175°C). It is constructed of solid tantalum and features a device design that can handle up to 10V of DC biased voltage. The capacitor has a maximum capacitance value of 22µF and a maximum ESR of 2.1 Ohms. The T491X157K020ZT is used in a wide variety of applications, including:

• Automotive electronics
• Industrial power systems
• Medical electronics
• Military and aerospace systems
• Power supplies
• Telecommunications systems

Working Principle

The T491X157K020ZT works by using an oxide layer that helps to store an electrical charge. This layer, made from tantalum oxide, is sandwiched between two metal plates. The plates act as the capacitor’s two electrodes. When an electrical current is applied, the oxide layer creates an electric field and stores a charge. This charge can then be released when the capacitor is needed to power a component in the device.

The capacitor’s ESR (Equivalent Series Resistance) is a measure of the amount of resistance the capacitor has when the charge is released. A lower ESR means the capacitor can release the charge more quickly, allowing it to power components more efficiently. The T491X157K020ZT has an ESR of 2.1 Ohms, which is good for power distribution and a wide range of other applications.

Conclusion

The T491X157K020ZT is a surface-mount chip tantalum capacitor that can handle up to 10V of DC biased voltage. It has a maximum capacitance value of 22µF and a maximum ESR of 2.1 Ohms. The capacitor is used in a wide variety of applications, including automotive electronics, industrial power systems, medical electronics, military and aerospace systems, power supplies, and telecommunications systems. The T491X157K020ZT works by using an oxide layer that helps to store an electrical charge and can be released when the capacitor is needed to power a component in the device.

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