M39003/01-2842/HSD

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Tantalum capacitors are miniaturized electronic components comprising a tantalum core that is surrounded by an oxide layer of dielectric material. They are mainly used to store energy and are available in surface-mount packages with various terminal configurations. M39003/01-2842/HSD (High Stability Dielectric) is a widespread and effective type of tantalum capacitor that is widely used in modern industrial applications. This article discusses the application field and working principle of M39003/01-2842/HSD tantalum capacitors.

Application Field

M39003/01-2842/HSD tantalum capacitors are most suitable for high frequency, high current and high temperature applications, such as in automotive, industrial, military and aerospace applications. They are also used extensively in medical devices, computer systems, communications, wireless and satellite equipment. Their construction ensures that they can be coupled with a wide range of ceramic capacitors for EMI filtering. Due to their high stability, low dissipation factor and high dielectric strength, they are reliable and efficient in power supply and system filtering applications.

Working Principle

The working principle of an M39003/01-2842/HSD tantalum capacitor is relatively straightforward. It consists of a cylindrical metal core, usually made from sintered tantalum powder, which is subsequently dipped in manganese dioxide forming a thin, conductive film across its entire surface. This is then covered with a dielectric layer, usually made of either polymer or solvent-cast anodic film. This creates a sealed electrolytic capacitor. The proximate surface of the core, dielectric and manganese dioxide become the positive and negative plates of the capacitor, and the oxide dielectric acts as the insulator.

When energy is applied to the capacitor, an electric charge stored on the oxide layer accumulates, thus creating an electric potential across the two plates. The current flow through the dielectric creates an electric field between the two plates, which both stores and releases the energy. As the charge on the capacitor\'s plates accumulates, it stores more energy. When the energy is released, a current is generated which reverses the flow.

Conclusion

M39003/01-2842/HSD tantalum capacitors are widely used in high frequency, current and temperature applications, such as automotive, industrial, military, and aerospace. They are reliable due to their high stability, low dissipation factor and high dielectric strength. Their working principle follows the same principles of an electrolytic capacitor, using a sintered tantalumpowder core, coated with an oxide dielectric and an anodic film, to store and release energy. Through these factors, M39003/01-2842/HSD tantalum capacitors are effective and efficient in various industrial applications.

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