M39003/01-7040H

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M39003/01-7040H is a type of tantalum capacitor, specifically designed to suit a broad range of applications. The device is a axial-lead capacitor with an extreme small size and a large capacitance range up to 68µF. Due to the use of Tantalum as the dielectric, the component offers excellent volumetric efficiency and superior reliability compared to organic or ceramic materials. Some of the features of M39003/01-7040H tantalum capacitors are described below.

Application fields

M39003/01-7040H tantalum capacitors are mainly used in telecommunications and aerospace & defense equipments. These capacitors are characterized by their high temperature endurance and extremely long service life. Their high performance in high temperature environments make them ideal for applications in high temperature circuit boards and equipments such as microwave antennas, wireless receivers, automotive control systems, Computers, radios, and communication systems.

Tantalum capacitors can also be found in high-current, low-voltage computer systems, where they help to maintain the required power output of the processor. Additionally, they can help reduce the power loss during the switching of logic devices. Low-profile capacitors are also highly suitable for applications in space-limited circuitry, such as handheld computers and laptops.

Working principle

M39003/01-7040H capacitor works on the principle of electrostatic induction. It consists of two electrodes, one positive and one negative. The upper electrode is made of Tantalum, which acts as a dielectric (insulating material). A voltage is applied across the capacitor to charge it up. As the capacitor is charged, electrons are pulled onto the lower electrode (negative terminal) and repel each other, forming a thin layer of insulation between them.

The capacitance of the capacitor is proportional to the thickness of the oxide material between the electrodes. When a voltage is applied to the capacitor, an electric field is created, and the charge stored in the capacitor increases. The amount of charge stored in the capacitor is also determined by the amount of capacitance. If more capacitance is desired, a thicker oxide layer can be used.

M39003/01-7040H tantalum capacitor utilises the chemical stability of Tantalum as the dielectric, rather than the electrostatic properties of the material, to achieve increased reliability. This makes the capacitors highly resistant to voltage and temperature fluctuations and much more resistant to physical damage than other types of capacitors.

M39003/01-7040H capacitors can be used in high temperature applications, due to the high melting point of Ta2O5, which makes it extremely suitable for operations up to 125℃. Additionally, the component has a high energy density, higher than most other capacitor materials, meaning that it can store a greater amount of energy.

Conclusion

M39003/01-7040H is a type of tantalum capacitor designed for extreme temperature, high-current and space-limited applications. It works on the principle of electrostatic induction, using Tantalum as the dielectric and relying on the chemical stability of the material to achieve increased reliability. The component also offers high capacitance range, volumetric efficiency and energy density, making it an ideal solution for various applications in the telecommunications and aerospace & defense industry.

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