T494B335M035AS Capacitors

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

T494B335M035AS Tantalum Capacitors are widely used in many applications, such as in signal filtering and power supply regulation. Their ability to provide high capacitance in small size, low equivalent series resistance (ESR) and long life makes them ideal for such applications. In this article we will discuss the application field and working principle of the T494B335M035AS Tantalum Capacitor.

Applications

The T494B335M035AS Tantalum Capacitor is often used in power supplies, as it delivers high capacitance in a small package as well as low equivalent series resistance (ESR). This has the effect of smoothing voltage fluctuations and helping to regulate supply circuitry. It can also be used in high frequency communication circuitry, acting as a filter to reduce voltage ripples. In automotive and industrial applications, it can provide frequency control for devices such as radio receivers.

The low profile and low leakage make it ideal for embedded applications, such as cell phones, automotive, medical, and industrial applications. Its robust construction enables a long life and reliability in harsh environmental conditions. In audio applications, the capacitor acts as a filter to reduce the level of unwanted noise.

Working Principle

Tantalum Capacitors are electrolytic capacitors that use a tantalum metal oxide dielectric as their medium. This makes it different from other types of capacitors in terms of its material makeup, and allows for a much higher capacitance value in a much smaller size. It operates on the principle of electrostatic attraction between two conductive plates and an insulator.

For a capacitor to work efficiently, an electric field must exist between the two plates, and the dielectric of the capacitor must be a non-conducting material. The electric field between the plates is created by the bias voltage applied across the capacitor. In the case of a tantalum capacitor, the dielectric is a metal oxide film, which is formed when a tantalum wire is immersed in an electrolyte and a current is applied to it.

The current flow creates a thermal reaction on the electrode and metal oxide film, leading to the formation of a relatively thick metal oxide film on the surface. This film is mainly composed of tantalum pentoxide which has a high dielectric constant. As the dielectric is polarizable, it forms an energy storage medium, and its capacitance increases depending on the size of the plates and the thickness of the metal oxide film.

Conclusion

In summary, the T494B335M035AS Tantalum Capacitor provides high capacitance in a small package, which makes it suitable for a range of applications. Its low equivalent series resistance, long life, and robust construction make it ideal for power supplies, high frequency communication circuitry, audio applications, and embedded applications. The working principle involves the creation of an electric field between two plates, with a metal oxide dielectric providing the energy storage medium, thanks to its high dielectric constant.

The specific data is subject to PDF, and the above content is for reference