T495X337K006ZTE100 Capacitors

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Tantalum Capacitors

T495X337K006ZTE100 refers to tantalum capacitors, a type of electrolytic capacitor that is widely used due to its high capacitance density, large working voltage, and wide temperature range. This type of capacitors is particularly suited to applications in aerospace, energy, and automotive industries. The capacitor\'s working principle is rooted in the combination of a thin tantalum foil and an oxide layer.

Construction

Tantalum capacitors consist of three major parts – an anode made from a porous tantalum plate, a dielectric layer, and a cathode. The anode is formed from high-purity tantalum slab with granular pores which is coated with an anode electrode solution to form a porous plate. A manganese dioxide layer is formed on the anode plate as a dielectric layer. Finally, the cathode is formed by a thick film of tantalum pentoxide which is covered with an electrolyte.

Working Principle

The capacitor expresses its capacitance when it is between two electrodes and separated by a dielectric. The capacitance of a tantalum capacitor is primarily the result of the oxide layer, which acts as an impedance in the electric field. Any changes in the electric field inside the capacitor cause a redistribution of the electric charge subsequently resulting in a change of the cathode potential.

The capacitance of the electrolytic capacitor is determined by the ratio of the polished area of the anode and the oxide layer as well as the dielectric constant of the oxide layer. The voltage rating of a tantalum capacitor is also dependent on the thickness of the dielectric oxide layer as well as the electrolyte. When the electric field exceeds a certain level, the dielectric oxide layer acts as a dielectric breakdown.

Applications

Tantalum capacitors have significant advantages over other types of capacitors. Thanks to their high capacitance density, solid electrolytes, and superior electrical conductivity, they can be used in various applications in the aerospace, energy, and automotive industries.

In aerospace applications, the capacitor’s lightweight and short size makes it ideal for satellite and spaceflight applications due to its high energy density and robust mechanical properties. In energy and automotive applications, the capacitor’s features prove their worth in controlling the temperature of engines and providing fuel efficiency.

Conclusion

T495X337K006ZTE100 is a type of tantalum capacitor that is used in a variety of applications due to its high capacitance density, large working voltage, and wide temperature range. Its working principles come in the combination of a thin tantalum foil and an oxide layer and its applications include use in aerospace, energy, and automotive industries.

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