M39003/03-0426/HSD

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Tantalum Capacitors

The M39003/03-0426/HSD is a type of tantalum capacitor, characterized by its small size, low profile, and imperviousness to electrical shock. This type of capacitor is typically constructed out of and insulated with an anodized aluminum case. It is a tantalum electrolytic capacitor, which means it has a combination of a dielectric material and an electrolyte which are capable of storing electrical charge, rather than standard electrolytic capacitors where a solid dielectric material is used.

Tantalum capacitors provide several applicable advantages, including their heightened operating temperature capabilities and their high capacitance values. They also tend to provide low ESR values, making them an excellent choice for applications with high ripple current. The M39003/03-0426/HSD also has a low impedance rating, meaning it is ideal for applications that require high frequency filtering.

Application Field

The M39003/03-0426/HSD is most commonly used in military and aerospace industries, though they have numerous other applications as well. Other common applications include:

• Elevator systems
• Generator systems
• Automobiles
• Communication systems
• Power supply systems
• Industrial automation systems

Working Principle

Tantalum capacitors use an electrochemical process which converts electrical energy into chemical energy that is stored within the capacitor. This stored energy is then released back into electrical energy when the capacitor is connected to a charged voltage. In the case of a M39003/03-0426/HSD, a tantalum core is used as the electrolytic material which is separated from the anodized aluminum shell by a thin film dielectric layer.

Instead of using a solid dielectric like standard electrolytic capacitors, a tantalum electrolytic capacitor uses a process called anodic oxidation, which forms the dielectric layer by depositing a thin oxide film onto the tantalum core. The anodic oxidation process provides superior performance and higher capacitance compared to standard electrolytic capacitors, resulting in increased electrical characteristics such as improved operating temperature range and ultimate life expectancy.

Finally, the anodized aluminum case of the M39003/03-0426/HSD helps protect the capacitor from external damage such as shocks, vibrations, and extreme temperatures. This helps to ensure that the capacitor is able to function and withstand whatever environment the capacitor may be operating in.

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