M39003/01-6377

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Tantalum capacitors are widely used in various fields, such as power supply filters, signal coupling and anti-interference, etc. One of the most commonly used tantalum capacitors is the M39003/01-6377, which is favored by many industrial application designers for its excellent performance. This article mainly introduces the application field and working principle of the M39003/01-6377

Applications:

The M39003/01-6377 is a solid tantalum capacitor. It conforms to MIL-C-39003 specifications and is constructed with a solid tantalum anode and manganese dioxide cathode. This capacitor features low ESR, excellent capacitance stability and high reliability. It is widely used in many industrial applications, such as large current circuit low pass filtering, signal coupling and anti-interference. Additionally, it can also be found in analog circuits, mobile phones, hard disk drives, and other industrial and military digital circuits.

Working Principle:

The M39003/01-6377 consists of an anode formed from a sintered anode containing a polymer and tantalum pentoxide and a cathode made of a manganese dioxide pellet or a manganese dioxide-coated solid tantalum cathode. When a voltage is applied between the anode and cathode of the M39003/01-6377, a reverse potential is induced on the electrolyte due to current flow. This reverse potential causes a dielectric layer to form at the surface of the anode, which is referred to as the electrical double layer. This double layer of electrons and ions forms a dielectric layer that acts as a capacitor, and the capacitance of this capacitor is proportional to the applied voltage.

In addition, due to the formation of the electrical double layer, the surface of the anode is kept clean and free of metal ions, which ensures a stable performance. The cathode provides a counter electrode and, combined with the ion-permeable electrolyte, allows ions to pass through to and from the anode.

Conclusion:

The M39003/01-6377 is a very popular tantalum capacitor used in a variety of industrial applications, and is favored for its excellent performance. Its superior features include low ESR, high capacitance stability, and high reliability, making it ideal for applications where it is subjected to high temperatures, high voltages, and low ESR values. It is composed of an anode containing polymer and tantalum pentoxide and a manganese dioxide cathode that, when a voltage is applied between the anode and cathode, forms the electrical double layer. This dielectric layer allows ions to move between the anode and the cathode, maintaining the surface of the anode free of metal ions and providing a stable performance.

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