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Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are one of the most widely used categories of capacitors. Among all the capacitors, they have the highest volumetric efficiency and can be used in almost unlimited miniaturization of energy-related devices. The M39003/03-0327H tantalum capacitor is a type of miniature axial lead capacitor featuring a non-solid electrolyte made of a solution of manganese dioxide in acetic acid.

Application Field

The M39003/03-0327H tantalum capacitor offers a capacitance range from 100 μF to 820 μF at an operating voltage of 12 to 35. It can operate at temperatures ranging from -55 °C to 105 °C. It is typically used in high stability, low power consumption, and high source-current intermittent electronic devices, such as portable computers, compact discs, global positioning systems, cell phones, etc. The capacitor is also widely utilized in the aerospace, military, automotive, telecommunications, and consumer electronics industries.

Working Principle

The capacitor is composed of a tantalum wire anode, a manganese dioxide solid electrolyte, and a metallic-oxide layer acting as the cathode. This capacitor has a high capacitance/volume ratio, due to the presence of a current collector within the core of the tantalum wire enabling the electrolytic anode to be formed with extremely small sizes and high capacitance values. When a voltage higher than the breakdown voltage is applied to the capacitor, the cathode forms an oxide layer and a capacitance is created. The electrical current starts to pass through the oxide layer and is charged with the help of electrolytes that conduct ions.

The tantalum capacitor worths considering when applications require a long life, low volumetric footprint, and high capacitance. The M39003/03-0327H tantalum capacitor is reasonably priced and offers excellent electrical characteristics which make it the perfect choice for use in a wide range of applications.

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