199D225X0025A2C1E3

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Tantalum capacitors are among the most widely employed types of passive components in electrical and electronic applications. The versatile and reliable performance of tantalum capacitors in the broad range of environments they experience makes them a preferred choice in many circuits. This article covers the application field and working principle of the tantalum capacitor designated 199D225X0025A2C1E3.

Types of Capacitors

A capacitor is a type of electrical component that stores electrical energy. Capacitors are classified according to their physical construction and material. Some of the most common types of capacitors include:

• Ceramic Capacitors - Ceramic capacitors have ceramic tile construction and are classified into two types – fixed capacitors and variable capacitors.
• Electrolytic Capacitors - Electrolytic capacitors are the most efficient type of capacitor available. They are designed to handle higher voltages and have long lifespans.
• Film Capacitors - Film capacitors, also known as plastic capacitors, use a thin plastic or nylon film as the dielectric. They are generally smaller and provide high capacitance and reliability.
• Tantalum Capacitors - Tantalum capacitors are constructed with a sintered anode and electrolyte cathode. They are more reliable than aluminum electrolytic capacitors, but are more expensive.

Working Principle of a Tantalum Capacitor

A tantalum capacitor is composed of a metallic tantalum anode and a porous tantalum cathode. The anode is made of sintered powder and the cathode is an electrolyte solution. When electricity is applied, a thin electrochemical film forms on the surface of the anode and works as the dielectric layer. This is why tantalum capacitors are also referred to as electrolytic capacitors.

The electrochemical film acts like a thin barrier that eliminates electric current flow between the anode and the cathode. In addition, the layer acts like a storage media, allowing the capacitor to store charges and release it when needed. The amount of charge that can be stored depends on the capacitance of the component and is determined by the thickness of the electrochemical film.

Application Field of 199D225X0025A2C1E3

The 199D225X0025A2C1E3 is a 2.5V output, 25V input, 30uF mica capacitor. It is a non-polarized, high reliability and long-life component. It is used in a variety of applications such as automotive and industrial electronics, battery operated devices, and medical electronics.

Due to its relatively long life and large capacitance, it is ideal for energy storage in low voltage applications such as voltage converters. It is also suitable for DC tuning applications and in power supplies, motor controllers and circuit protection devices.

Conclusion

The 199D225X0025A2C1E3 is a type of tantalum capacitor that is suitable for storing electrical energy in a variety of applications. It has a high capacitance and a long life. This makes it a preferred choice in many circuits.

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