M39003/09-4015H

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Tantalum capacitors are capacitors with tantalum as the anode. And the M39003/09-4015H is an axial lead Tantalum capacitor. The application and working principle of this type of capacitor will be discussed in this article.

Applications

The M39003/09-4015H is an axial leaded Tantalum capacitor, which consists of an anode in the shape of a circular disc made of sintered tantalum powder and a single dielectric layer. Due to its features such as low ESR, high capacitance, high frequency performance, and temperature stability, these tantalum capacitors are very popular in the electronics industry.

This product is mainly suitable for military and space applications, which require reliable performance in extreme temperature and environment conditions. Its typical applications include portable electronic devices, military communication equipment, industrial control equipment, computing and digital control systems. This type of capacitor also has excellent durability and stability in long-term high-temperature storage and operation.

Working Principle

Tantalum capacitors are constructed with two electrodes separated by a dielectric material. In the M39003/09-4015H, the dielectric material is made from a single layer of tantalum oxide. This capacitor is polarized, meaning that one of the electrodes must be biased at a higher potential than the other. The positive terminal is connected to the anode and the negative terminal is connected to the cathode.

When a voltage is applied between the terminals, the dielectric starts to break down and ions start to migrate towards the anode, forming an insulating dielectric layer. This dielectric layer prevents further current flow and allows electric current to flow in one direction only. Thus, a capacitor is formed.

The capacitance of the M39003/09-4015H is determined by the amount of charge that can be stored in the dielectric layer. The charge is determined by the applied voltage, the size of the dielectric layer, and the material used for the dielectric. The M39003/09-4015H generally has a capacitance of up to 390μF.

Conclusion

The M39003/09-4015H is a type of Tantalum capacitor that is suitable for demanding applications by providing high reliability and low ESR performance in a variety of extreme temperature and environment conditions. It consists of an anode in the shape of a circular disc made of sintered tantalum powder and a single dielectric layer and can store up to 390μF of charge.

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