M39003/01-6390/HSD

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Tantalum Capacitors

Tantalum capacitors are a type of electrolytic capacitor that is widely used in the electronics industry. They are characterized by their small size, relatively high capacitance value, and low leakage current. The most commonly used tantalum capacitors are the non-polar or bipolar types, usually with solid electrolyte and a tantalum anode.

M39003/01-6390/HSD Application Field

M39003/01-6390/HSD tantalum capacitors are used in a wide variety of electronic applications. They are particularly well-suited for use as filters for high-frequency signals, as well as in circuit architectures that require small, precise capacitors. Due to their stability and high reliability, these capacitors are commonly used in communications systems, consumer electronics, solar energy applications, and industrial control systems. They are also frequently used in aerospace and military applications.

Working Principle

The working principle of the M39003/01-6390/HSD tantalum capacitor is based on the storage and dissipation of electrical energy. It consists of a tantalum anode placed in an electrolyte solution. When a voltage is applied, the electrolyte supports the movement of ions which can be injected into the anode, thereby creating an electric double layer at the surface which is capable of storing electrical energy. The energy is dissipated once the voltage is removed and the ions leave the surface.

To increase the capacitance value of the device, the dielectric used between the anode and the electrolyte is often a thin insulating layer of tantalum oxide that has a dielectric constant higher than that of the electrolyte. The higher the dielectric constant of the insulating layer, the greater the capacitance value of the capacitor.

M39003/01-6390/HSD tantalum capacitors are also designed to have multiple layers of capacitance. Multiple layers of capacitance are created using parallel plate structures with alternating dielectric layers which are interspersed between each anode and the electrolyte. This allows for larger capacitance values without relying solely on the high dielectric constant of the oxide dielectric.

Because the dielectric material used in a tantalum capacitor is formed during the manufacturing process in an oxygen-containing environment, the temperature of the capacitor must remain low enough to prevent oxygen-induced degradation. To achieve this, the M39003/01-6390/HSD device is often encased in a hermetically sealed package and includes a series of thermal protection components which are designed to protect the capacitor from damage due to high temperature.

Conclusion

Overall, M39003/01-6390/HSD tantalum capacitors are a great choice for creating precision electrical components in a variety of applications. They are small, non-polar, and provide reliable storage and dissipation of electrical energy. Additionally, they can be used to create capacitors of larger values while maintaining the same size and form factor. The safety features built into the package also help to protect the capacitor from damage due to high temperature.

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