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Tantalum Capacitors: T495D106M035AHE300 Application Field and Working Principle

Tantalum capacitors, often referred to as "tantals" or "tantalums", are a special type of capacitors which are mainly used for applications where a small size and large capacitance are required. The T495D106M035AHE300 is a tantalum capacitor which is capable of providing a maximum capacitance of 35 μF (microfarads) at a rated voltage of 16 VDC (volts direct current). This particular type of capacitor is used primarily in portable electronic devices such as digital cameras, cell phones, and other consumer electronic products.

Application Field and Working Principle

Tantalum capacitors are used in a variety of applications, including power conditioning, decoupling, and filtering. They can also be used in high-frequency switching circuits, in order to reduce ripple and increase performance. The T495D106M035AHE300 has a very small footprint, which makes it ideal for use in space-constrained areas. Moreover, due to the high dielectric constant of tantalum, the capacitance of the T495D106M035AHE300 is relatively high when compared to ceramic capacitors.

Tantalum capacitors, like other types of capacitors, provide a charge-storage function. When an electrical voltage is applied across their terminals, the electrodes inside the capacitor become polarized, causing opposite charges to accumulate on each electrode. This creates an electric field between the terminals, allowing energy to be stored. When the source of voltage is removed, the stored energy is discharged in the form of current. As the polarization process is reversed, the opposite charges now repel each other and the electric field collapses.

Advantages and Disadvantages

One of the main advantages of tantalum capacitors is their small size and high capacitance. This makes them ideal for use in space-constrained circuits, especially in portable electronic devices. Furthermore, tantalum capacitors are very reliable, as they have a low equivalent series resistance (ESR) compared to electrolytic capacitors. The ESR rating of the T495D106M035AHE300 is just 0.02 Ohms (ohms). This low rating ensures that the capacitor is able to consistently perform as expected, even in conditions of high temperature or varying input voltage.

Tantalum capacitors have one major disadvantage - they are very expensive when compared to other types of capacitors. This high cost is due to the material used in the construction of the capacitor, as tantalum is a rare and expensive metal. Furthermore, it is possible for tantalum capacitors to develop a short circuit, and they are also susceptible to thermal runaway if their ratings are exceeded. This means that care must be taken when selecting and using these capacitors, as they can fail suddenly due to high temperatures.

Conclusion

The T495D106M035AHE300 is a highly efficient tantalum capacitor which is able to provide a maximum capacitance of 35 μF at 16 VDC. This capacitor is ideal for use in space-constrained areas, due to its small footprint. Furthermore, it has a very low ESR rating of 0.02 Ohms, making it reliable and consistent over time. However, this capacitor does have one major disadvantage: it is expensive when compared to other types of capacitors.

Overall, the T495D106M035AHE300 is a high-performance tantalum capacitor which is suitable for a variety of applications. It is small, reliable, and provides a high capacitance. Despite the high cost, it is an excellent choice for space-constrained and portable electronic devices.

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