199D226X0016D6V1E3

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Tantalum Capacitors

Tantalum capacitors are a type of capacitor which are complete electronic components using the property of electrochemical double layer capacitance to store electric energy. They have high volumetric efficiency, temperature stability and superior pulse handling capabilities and are often used in a variety of applications, ranging from high frequency clock signals, voltage regulator circuits, switching power supplies, and power amplifiers. The most common application for these capacitors is in decoupling, where they help filter out transient signals and unwanted noise.

Code 199D226X0016D6V1E3 Application Field

Tantalum capacitors are typically constructed using two tantalum foils and two electrolytic layers, one of which is a solid electrolyte and the other of which is an organic electrolyte. Typically, these capacitors are rated for a variety of voltages, with the higher voltage – the highest is usually 50V – being the most suitable for many high-frequency applications. The code 199D226X0016D6V1E3 represents a 10mF 10V capacitor and is suitable for use in many low-voltage analog low-voltage circuit applications such as audio and video preamp, digital logic and switching circuits, configurable logic devices, as well as memory devices.

Working Principle

Tantalum capacitors work on the principle of electrochemical double layer capacitance. This means that the capacitance is created when two metals are brought together separated by an electrolyte. This includes both a solid electrolyte, such as tantalum oxide, as well as an organic electrolyte, such as sodium hydroxide. The two electrodes form a capacitor with two layers of charge, one positive and one negative.

When a voltage is applied, the structure of the electrolyte layer is rearranged and the capacitor is charged. A reverse current will discharge the capacitor. As the electrolyte is polarised, increasing the voltage across the capacitor will cause the electrolyte to break down, resulting in electrochemical dissolution of the positive electrode and a decrease in capacitance. Tantalum capacitors are designed to prevent this from happening, by including a protective film over the positive electrode which blocks the action of dissolution.

Tantalum capacitors also offer good stability over time. This is because the dielectric in the structure is stable, and not prone to degradation. Tantalum capacitors offer low leakage, high self-healing capabilities, and a high degree of surge-current tolerance. This makes them suitable for use in applications where reliability is important.

Tantalum capacitors are also highly efficient and have low ESR values – they can store more energy in a given volume than other types of capacitors. This makes them ideal for energy-intensive applications, where they can help to reduce battery consumption and prolong battery life.

Tantalum capacitors are widely used in consumer electronic devices such as audio amplifiers, car stereos and projection televisions, as well as in industrial applications including motor controllers, power supplies and motor systems. The 199D226X0016D6V1E3 code represents a 10mF 10V capacity, which is suitable for use in many of these applications.

Conclusion

Tantalum capacitors have excellent properties, including high volumetric efficiency, temperature stability and superior pulse handling capabilities, making them suitable for applications such as power amplifiers, voltage regulator circuits, and other low-voltage analog low-voltage circuit applications. The 199D226X0016D6V1E3 code represents a 10mF 10V capacitor, which is suitable for use in many of these applications.

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