T491D226M020ATZQ017280

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T491D226M020ATZQ017280 is a tantalum capacitor which comes in an SMT/SMD packaging type. Tantalum capacitors are widely used in virtually all electronic applications because of their stability, reliability, small size and high capacity. Tantalum capacitors are polarised electrochemical capacitors that typically consist of a thin film of tantalum metal that is dielectrically enhanced with a layer of oxide. The structure of the tantalum capacitor allows it to hold large amounts of electrical energy and has a low leakage current.

Application Fields

T491D226M020ATZQ017280 is suitable for use in automotive and industry as it has a long-term stability; which makes it suitable for use in applications such as consumer, telecom and computer. It is also used in high to medium power applications such as in industrial electronics or in the automotive field. In consumer electronics, this type of tantalum capacitor is commonly used for decoupling, smoothing, and filtering. It is also widely used in a variety of other applications such as an AC line filter, RF bypass or charge storage.

Working Principle

The working of a tantalum capacitor is based on the principle of electrochemical storage of energy. The dielectric material used in tantalum capacitors is a layer of electrolytic manganese dioxide (EMD). This is a highly resistive material which allows a capacitance value of up to 100 micro farads within a capacitor package of this size. The EMD layer is then electrochemically charged with an applied voltage, thus producing a capacitor with a large surface area and a high dielectric constant.

The way in which a tantalum capacitor works is that when a voltage is applied across the capacitor electrodes, charges from the anode and cathode move through the EMD layer to the other side and create a potential difference, which is known as a surface charge layer. This creates an electrical field which produces an electric charge on the capacitor electrodes. The electric field within the capacitor helps to store the charge in the corresponding metal ions within the EMD layer, thus enabling the capacitor to keep a large amount of electrical energy.

T491D226M020ATZQ017280 is a reliable and robust capacitor that is capable of storing high amounts of electrical energy and suitable for use across a range of different applications. The small size allows it to be incorporated into high to medium power applications with ease. It also has a long-term stability making it suitable for use in consumer, telecom and computer applications.

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