T495X156K050ZTE300

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Tantalum capacitors, also known as tantalum electrolyte capacitors, are capacitors featuring tantalum as anode, and are categorized as surface-mount type, through-hole type and adjustable type by their mounting and style features. T495X156K050ZTE300 is an adjustable voltage polymer tantalum capacitor which combines the Li/polymer technology for stable performance. It features low equivalent series resistance (ESR), low impedance, excellent frequency characteristics and high ripple current as well as a wide adjustable voltage up to 2.7V.

Application Field

T495X156K050ZTE300 is used in mobile phones, digital cameras, computers, notebook PCs and other consumer and portable electronics to provide a steady current and voltage for various applications.

Its superb frequency characteristics, highly reliable dielectric insulating and humidity insulation, and high ripple current capacity enable it to be employed in a variety of ways. It is used for noise suppression and ac line filtering in the power supply of audio equipment and professional video equipment. It is also used for different types of signal line buffering in automotive audio systems, earphones and noise cancelling headsets.

Working Principle

T495X156K050ZTE300 is based on the bipolar electrolytic technology, where two electrodes are submerged in an electrolyte, usually an organic solvent. At the space between the two electrodes is a porous tantalum plate covered with a manganese dioxide layer. When a voltage is applied between the two electrodes, ions are generated at the positive electrode and are transferred into the manganese dioxide layer. As a result, a chemical reaction occurs between the ions and the MnO2, in which energy is released in the form of heat. This creates an electric field across the dielectric layer, which allows electrical charges to be stored in the capacitor.

A power supply circuit utilizing a T495X156K050ZTE300 electrolytic capacitor typically includes a series bridge rectifier, a voltage output control circuit, and a first-order filter circuit, as well as an external load. As soon as a voltage is applied to the input of the control circuit, a current begins to flow through the rectifier. The capacitor stores the charge that flows from the rectifier, and it also serves to filter out the high frequency components of the rectified current. The first-order filter circuit then aids in outputting an appropriate output voltage to an external load, providing a stable voltage and current for a variety of applications.

Conclusion

T495X156K050ZTE300 adjustable tantalum capacitors are widely employed in consumer and portable electronic equipment, due to their excellent performance in low ESR, low impedance, good frequency characteristics and high ripple current capacity. In such applications, they are typically used as part of a power supply circuit together with a series bridge rectifier, a voltage output control circuit and a first-order filter circuit.

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