M39003/01-5717/HSD

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Tantalum Capacitors

A tantalum capacitor is an electrolytic capacitor, a passive component of electronic circuits. It consists of a pellet of tantalum metal as an anode, covered by an insulating oxide layer that forms the dielectric, surrounded by liquid or polymer electrolyte as a cathode. Compared to traditional ceramic capacitors, tantalum capacitors have the capability to offer a much higher volumetric efficiency in that the capacitors are smaller but offer the same amount of capacitance. This is because the dielectric constant and dielectric strength of tantalum oxide are much higher than those of ceramic material, so similar capacitance can be made in a much smaller form.

The M39003/01-5717/HSD is a type of tantalum capacitor. It is a hermetically sealed tantalum chip capacitor and features an anodes sensing element, a solid electrolyte, and a multi-layer metal organic interface. Its primary feature is that it is able to withstand extreme temperatures, making it suitable for high-temperature and high-humidity environments. This makes it ideal for applications such as aerospace and automotive. It also has a high frequency capacitance of 2.2µF ±20% and an operating voltage of 4Vdc.

The Working Principle

The M39003/01-5717/HSD tantalum capacitor works on the principle of electrochemical capacitance. In this process, the positively charged electrical field attracts negative ions within the electrolyte, forming a thin, charged ionic film on the capacitor\'s anode. The negative ions remain attracted to the positively charged anode, which prevents the passage of current. When subjected to an electric field, the ions begin to vibrate within the electrolyte, creating an electrical field that opposes the applied voltage. This is referred to as \'capacitance\'.

By changing the construction of the capacitor, the capacitance can be adjusted. In the M39003/01-5717/HSD tantalum capacitor, the anodic pellet is coated with tantalum pentoxide, which serves as a dielectric that increases the capacitance of the capacitor. The dielectric also adds stability to the capacitor, protecting against fluctuations in the electrical field.

Application Fields

Tantalum capacitors, like the M39003/01-5717/HSD, are used in a variety of applications. First, they are found in high-power and high-frequency circuits, where their small size, stability, and high workloads make them suitable. They are also often found in telecommunication systems as they can handle long periods of high-frequency data transmission without failure. In addition, they are used in filter circuits, energy storage, and pulse-forming networks.

Additionally, they are often used in safety equipment and medical devices. The M39003/01-5717/HSD capacitor is especially suited for this as it is able to withstand extreme temperatures, meaning they are able to maintain performance, even in environments where temperatures range from boiling to freezing. Tantalum capacitors are also used in satellites, as their reliability and precision make them a key component in the space industry.

Conclusion

The M39003/01-5717/HSD tantalum capacitor is a hermetically sealed chip capacitor. It boasts a high frequency capacitance of 2.2µF ±20% and an operating voltage of 4Vdc as well as the ability to withstand extreme temperatures. It is able to maintain performance in boiling to freezing temperatures, making it suitable for a variety of applications. These include high-power and high-frequency circuits, telecommunication systems, filter circuits, and energy storage. Additionally, it has a range of medical use cases, and is suitable for satellites.

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