M39003/01-6034H

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Introduction to Tantalum Capacitors

A tantalum capacitor, also known as a tantalum electrolytic capacitor, is a type of electrolytic capacitor, which consists of a pellet of tantalum made of a metal oxide as an anode, covered by a solid manganese dioxide electrolyte as its cathode in a double-layered oxide structure.

The construction of a tantalum capacitor makes it distinguished from other types of capacitors, and the main advantages of this type over others are its small size and high capacitance for a given volume. In comparison with other electrolytic capacitors such as aluminum capacitors, the tantalum capacitor provides better efficiency, reliability, and high temperature stability.

Due to their small size, tantalum capacitors are widely used in different applications, including temperature control, data storage, power supplies, and signal transmission.

M39003/01-6034H Application Field and Working Principle

M39003/01-6034H is a type of small-sized tantalum capacitors developed by the electronics company AVX. It is an electrolytic capacitor with a solid tantalum pellet as an anode, encased in a non-conductive case for protection.

The M39003/01-6034H is designed to be used in a variety of high-temperature and high-performance applications, and it is capable of withstanding temperatures as high as 125 °C. Due to its higher temperature rating, it is suitable for use in demanding environments such as automotive and aerospace applications.

The capacitor also has enhanced voltage noise immunity due to its lower series inductance and capacitance tolerance. Its high reliability and stability make it ideal for use in critical applications such as temperature monitoring and power conversion.

The working principle of the M39003/01-6034H is based on Faraday’s law of induction. When a positive voltage is applied across the anode and the cathode, the solid tantalite pellet converted to a tantalum oxide “sandwiched” between to anode and the cathode forms an electrostatic layer between them. This allows electrons to flow from the negative to the positive terminal and charge the different layers of the capacitor with the same amount of energy but in opposite directions.

The resulting electrostatic field built between the anode and the cathode causes a certain amount of electrical stress in the capacitor element. This electrical stress, along with the capacitors’ design parameters, determine the capacitance and other performance characteristics of the capacitor.

Conclusion

The M39003/01-6034H is a small-sized tantalum capacitor that is widely used in a variety of high-temperature and high-performance applications due to its high reliability and stability. Its high voltage noise immunity, low series inductance, and capacitance tolerance make it ideal for use in critical applications such as temperature monitoring and power conversion. The capacitor works by forming an electrostatic layer between the anode and the cathode through a process of Faraday’s law of induction.

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