M39003/03-3009

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Tantalum capacitors, also known as Ta-caps, are electrolytic capacitors that are constructed with a tantalum metal powder core as the anode, with an oxide film as the dielectric material, and a surface mounted solid or carbon film as the cathode. The M39003/03-3009 is a surface mount tantalum capacitor from Murata that is widely used in general applications today. This article will discuss the application fields and working principles of the M39003/03-3009.

Application Field of the M39003/03-3009

The M39003/03-3009 is a surface mount, molded, surface mount, through-hole, and axial type tantalum capacitor that is designed for a wide variety of industries and applications, including automotive, medical, industrial, consumer, and commercial electronics.

The M39003/03-3009 is found in automotive systems like powertrain systems, ABS brakes, and airbag deployments, as well as medical applications such as EEG and ECG monitors, and X-ray machines. It is also used in industrial fields like energy management systems and control systems, as well as consumer electronics such as cell phones, computers, and tablets.

The M39003/03-3009 is also widely used for general applications such as TV receivers, VCRs, radios, and audio systems, as well as for reliable power back-up in case of power outages.

Working Principle

The M39003/03-3009 is an electrolytic capacitor that functions on the principle of dielectric polarization. It is composed of two plates, a dielectric material, and a liquid electrolyte. The two plates are made of tantalum metal powder and act as the anode and cathode. The dielectric material functions as an insulator between the two plates and is usually made of a thin oxide film.

The liquid electrolyte is important for the capacitor to function. It serves as a bridge between the two plates and allows for the flow of electrons. The capacitor works by the application of an electric field, which causes a polarization of the dielectric material and thus creating an electric field between the plates.

The M39003/03-3009 capacitance values vary depending upon the type of tantalum employed. The higher the value of tantalum employed, the higher the capacitance of the capacitor. However, the capacitance of the M39003/03-3009 is limited due to the use of oxide films and the relatively small number of electrolyte molecules in the circuit.

The M39003/03-3009 is a highly reliable component due to its low ESR (equivalent series resistance) and high capacitance values. Its effective capacitance values remain stable over a wide range of temperatures and is highly resistant to leakage current and reverse current flow.

Conclusion

The M39003/03-3009 is a highly versatile, reliable surface mount tantalum capacitor from Murata used in a wide variety of applications. It works on the principle of dielectric polarization, that is, the application of an electric field causes a polarization of the dielectric material, creating an electric field between the plates. Its capacitance values vary depending upon the type of tantalum used, but it is highly reliable due to its low ESR and high capacitance values. It is an ideal choice for general as well as automotive, medical, industrial, consumer, and commercial electronics.

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