T491A155M020ZT7280

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Tantalum Capacitors

Tantalum capacitors have become increasingly popular in recent years. They offer many advantages, including a low profile, excellent volumetric efficiency, and high thermal stability. In addition, they are easy to integrate into modern circuit designs due to their low impedance and low ESR (Equivalent Series Resistance) values. These properties make tantalum capacitors particularly well suited for applications that require high reliability and extended lifetimes.

T491A155M020ZT7280 is a type of tantalum capacitor produced by AVX Corporation. It is a surface mount Polymer Electrolytic Capacitor, which offers low ESR, low leakage current, and excellent reliability. This product is suitable for use in a wide range of applications, including DC-DC converters, power supplies, telecommunication systems, and automotive applications.

Application Field

T491A155M020ZT7280 is a versatile capacitor that can be used in a variety of different applications. It is primarily used for voltage filtering and decoupling, where its low ESR and low leakage current make it an excellent choice. It is also well suited for power management designs, where its small size and high reliability make it ideal for space-constrained applications.

The T491A155M020ZT7280 is also used widely in automotive applications, due to its exceptional thermal stability. This makes it suitable for use in engine control systems, powertrain and infotainment systems, and in other automotive electronics. It is also used in industrial control systems and commercial applications.

Working Principle

A tantalum capacitor works on the same principle as a regular polarized electrolytic capacitor. It works by storing a charge on a pair of electrodes, separated by an electrolytic layer. The two electrodes are then connected by a dielectric, which serves to insulate them. When a voltage is applied, the dielectric allows charges to pass through it and accumulate on the electrodes, forming a dielectric polarization.

The amount of energy that can be stored in a tantalum capacitor depends on its capacitance, which is measured in Farads. The effective capacitance is determined by the size of the electrodes, the type of electrolytic, and the dielectric material used. A tantalum capacitor typically has a higher capacitance than an aluminum electrolytic capacitor of the same size, due to its more efficient construction.

T491A155M020ZT7280 is a tantalum capacitor with a nominal capacitance of 15μF and a maximum operating temperature of +85°C. It is a surface mount part, with a height of 2.0mm and a diameter of 5.55mm, making it well suited for space-constrained applications. This product is RoHS compliant and is rated for 1000 hours of operation.

T491A155M020ZT7280 is an excellent choice for voltage filtering and decoupling applications, as well as for power management designs in automotive and industrial control systems. Its high thermal stability and low ESR make it a reliable, long lasting option. With its versatile range of applications and advantages, it is no wonder that T491A155M020ZT7280 is one of the most popular types of tantalum capacitors currently available.

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