M39003/01-6122

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Tantalum Capacitors

Tantalum capacitors are widely used in our daily life, and they can be used in various electronic designs. M39003/01-6122 is a type of tantalum capacitor, and it has a wide application field and its working principle is also important to know. In this article, we will discuss the application field and working principle of the M39003/01-6122 tantalum capacitor.

Application Field of M39003/01-6122

The M39003/01-6122 is a high-temperature, solid tantalum capacitor with its tolerance of ±10%, and the capacitance range of this type of tantalum capacitor is 1.0 μF to 0.18 μF. Its application field mainly includes power supply applications, energy storage, signal filtering and buffering. As one of the low-loss, non-polarized capacitor, it is often used in high-voltage and high-temperature application.

This type of tantalum capacitor has effective voltage range from 2.5 Volts to 6.3 Volts and works well in operating temperatures from -55°C to 125°C, allowing versatility of usage possibilities in commercial and industrial applications. In addition, with its low ESR (equivalent series resistance) and low DF (dissipation factor), the M39003/01-6122 can ensure the long-term stability and consistency of the supply voltage and current. As the required capacitance may vary with different application, the M39003/01-6122 offers a large range of standard values so that customers can choose the most suitable capacitance for their design.

Working Principle of M39003/01-6122

Tantalum capacitors are generally composed of tantalum cathode, dielectric electrolytic and anode. The M39003/01-6122 includes both a tantalum anode and cathode, and it has an anode material with a “make and break” property. This means the material requires an initial voltage to reconstruct the surface oxide coating. When an electric field with sufficient voltage strength is applied to the anode, a thin oxide layer will be applied on the tantalum surface. This is called the “make” process.

And the “break” process refers to the destruction of the oxide layer as a result of passing a current through the surface for a certain amount of time. This makes conduction easier for electrons and ions, allowing them to pass through the hole of the oxide and join the anode surface. The break process of a tantalum capacitor is a key factor in the formation of a stable dielectric.

When a voltage is applied across a tantalum capacitor, electric current will flow on the anode, the anode oxide layer, the electrolyte solution and the cathode. The oxide layer acts as a dielectric between the anode and the electrolyte solution, and the width of the oxide layer is determined by the applied voltage. The capacitance of a tantalum capacitor is varied by changing the thickness of the oxide layer.

Conclusion

Overall, the M39003/01-6122 tantalum capacitor is a low-loss capacitor with a tolerance of ±10%. It is widely used in power supply applications, energy storage, signal filtering and buffering. The working principle of M39003/01-6122 is based on the “make and break” of the anode oxide layer, which provides an insulation between the anode and the electrolyte solution, allowing electrons and ions to join the anode surface. The capacitance of the tantalum capacitor is varied by changing the thickness of the oxide layer.

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