M39003/01-8024

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Tantalum capacitors are widely utilized in one of the key electronic components which are essential to control and storage the electric charge, and are especially used in circuits that require a higher degree of reliability and a long-term stable performance. One of the most popular series of tantalum capacitors is M39003/01-8024.

Application Field

M39003/01-8024 series is mainly used for the interstage coupling, filtering and decoupling in electronic equipment, such as mobile phones, digital cameras or other portable electronic products. Furthermore, the series capacitors can also be used to couple with radio frequency circuitry. Because of its high reliability, the capacitors are suitable in fields where high vibration, shocks are encountered, and in high temperature applications. The tantalum capacitors provide improved frequency characteristics with low ESR, excellent capacitance over temperature performance.

Working Principle

The main component of a tantalum capacitor is a powder form of tantalum, which is then formed into a porous anode, and is then sintered. The anode then filled with a catalyst, which helps reduce the activation energy of the electrochemical reaction within the capacitor at the anode surface. An electrolyte is then added into the anode, which usually surrounded by a dielectric layer in order help form a type of double-layer capacitor structure. The tantalum is physically and chemically enhanced by an electrolyte that “activates” the tantalum surface, allowing for the formation of an oxide film that in turn increases the capacitance.

The positive terminal of a tantalum capacitor will accept an electric charge. The electric charge is passed through the oxide layer, which is referred to as the "dielectric" of the capacitor, until it reaches the negative terminal of the capacitor. When the capacitor is completely charged the negative terminal has an opposite charge from the positive terminal. A dielectric with a higher dielectric constant is used to increase the capacitance of the tantalum capacitor. Ultimately, a metal conductor is usually added outside of the structure to conduct the current.

These tantalum capacitors are available in a number of different case sizes and styles, including surface mount, through-hole, or axial. The number along the capacitor identifies the capacitance, tolerance, voltage, and temperature rating of the device. By utilizing the tantalum capacitor as part of your circuitry, you can ensure that your project can run continuously with reliability, stability, and efficiency.

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