M39003/01-7290

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Tantalum capacitors are widely used in consumer electronics, medical equipment and automotive circuits due to their high temperature and vibration resistance. The M39003/01-7290 is one model of tantalum capacitor with a wide range of applications and a unique working principle.

Physical Structure

The structure of the M39003/01-7290 Micro-Surface Mount Tantalum Chip Capacitor is composed mainly of tantalum metal, polymer film and other electrically conductive components. The housing of the capacitor is a hermetically sealed ceramic SMD (Surface Mount Device). Its physical shape is cylindrical in the form of a "pill" and its approximate dimensions include a diameter of 7.3 mm and a height of 6.1 mm.

Applications

The M39003/01-7290 has a wide range of applications due to its ability to store electrical energy, low equivalent series resistance (ESR) and frequency stability. These advantages are enough to make it suitable for some functional applications such as signal processing, graphic equalization, power filtering, clock synchronizing and portable devices. As its working principle uses a manganese dioxide as an electrolyte, it is often used in high temperature and vibration applications, such as the aerospace industry.

Working Principle

The capacitor’s working principle is based on an electrolyte-filled capacitor or electrolytic capacitor. An electrolytic capacitor is designed to store electrical energy in an electrolyte between a pair of conductive plates. The M39003/01-7290 uses a manganese dioxide electrolyte, instead of a conventional electrolyte, which is a solid-state electrolyte. This electrolyte allows the capacitor to store energy more efficiently while providing the electrical insulation needed for small-signal and low-pressure applications.

Advantages

The use of manganese dioxide electrolyte in the M39003/01-7290 electrolytic capacitor provides the following benefits and advantages:

• It has low equivalent series resistance (ESR). This helps reduce power losses in the circuit.
• It is capable of handling large and peak currents. This makes it suitable for use in power converter applications.
• It is highly vibration and shock resistant. This makes it suitable for use in aerospace and automotive circuits.
• It is capable of handling high temperature levels, up to 125″C.
• It provides excellent frequency stability. This makes it suitable for signal processing applications.

Conclusion

The M39003/01-7290 tantalum capacitor is a popular choice for a wide range of applications due to its advantages. Its unique working principle, based on a manganese dioxide electrolyte, makes it the ideal capacitor for applications that require high temperature and vibration resistance. Its low ESR and excellent frequency stability makes it a suitable choice for applications such as signal processing, graphic equalization and power filtering.

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