M39003/03-0113

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Tantalum capacitors are a type of electrolytic capacitor which rely on the utilization of tantalum’s low solubility in certain electrolytes. Used for decoupling noise and supplying power to sensitive areas of a circuit, they have historically been used in military and aerospace equipment as they can handle higher temperatures and higher voltage than other types of capacitors. As a result, they are also often used in industrial applications such as medical and automotive electronics. The M39003/03-0113 is a type of tantalum capacitor developed for applications requiring high reliability, long-term performance, and stability in severe environments.

Application Field of M39003/03-0113

The M39003/03-0113 is a polymer-tantalum capacitor, designed to offer very low ESR and high capacitance for use in ~1MHz switching regulation systems. It has a voltage rating of 16V, an operating temperature range of -40°C to 125°C, a wide range of capacitance values, and a wide range of tolerances. The M39003/03-0113 is used in a wide range of applications, from high-end automotive systems to consumer electronics, satellites, and high-reliability military applications.

The use of polymer-tantalum capacitors in automotive systems is quite common. The capacitance range and thermal stability of the M39003/03-0113 make it perfect for a variety of automotive applications, such as DC-DC converters and filtering circuits. It is also used in applications where high temperature and reliability requirements render ceramic capacitors unsuitable, such as high-frequency power regulators.

The M39003/03-0113 is also used in consumer electronics, as it offers excellent performance at a relatively low cost. The capacitor is also widely used in satellites and military equipment, where high reliability and low ESR are critical. The capacitor is also used in high-reliability industrial applications, such as medical electronics. As a result, the M39003/03-0113 is a versatile, reliable capacitor used in a variety of applications.

Working Principle of M39003/03-0113

The M39003/03-0113 is a tantalum capacitor, comprising an anode made of sintered porous tantalum, a dielectric material of solid tantalum oxide, and a cathode in the form of a tantalum foil. The capacitor is constructed by layering the anode, dielectric, and cathode sections together and sealing them in an epoxy mold. This process results in a monolithic structure, in which the anode and cathode are separated by the dielectric.

The tantalum oxide dielectric is formed by an electrochemical oxidation of the surface of the anode. This oxidation process creates a highly stable crystal lattice known as a layer of compacted or “solid” tantalum oxide. This layer is electrically insulating and acts as the dielectric between the anode and the cathode. The electrical properties of the M39003/03-0113 rely on the quality of the dielectric, as the dielectric determines the capacitance and ESR of the capacitor.

The tantalum capacitor operates by using the principle of charge storage. A voltage applied to the electrodes creates an electrolytic double layer at the interfaces of the anode and cathode. This double layer acts as a capacitor, as the inner surface of the anode is negatively charged and the outer surface of the cathode is positively charged. The amount of charge stored by the capacitor is determined by the capacitance of the dielectric material.

Conclusion

The M39003/03-0113 is a type of tantalum capacitor used in a wide variety of applications. It is used in automotive systems, consumer electronics, satellites, and high-reliability military applications. It relies on the principle of charge storage, as the layer of compacted tantalum oxide acts as a dielectric between the anode and cathode, allowing charge to be stored. As a result, the M39003/03-0113 is a reliable, versatile capacitor which offers excellent performance in a wide range of applications.

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