F980E476MMA

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Tantalum capacitors are a form of electrolytic capacitor composed of tantalum, a compound of the rare metal tantalum. Tantalum capacitors have a very high capacitance-to-volume ratio and are able to have very low equivalent series resistance (ESR). They are used in a wide variety of applications and are available in various shapes, sizes, and ratings. F980E476MMA is a type of tantalum capacitor that is commonly used in Printed Circuit Boards (PCB). This article will discuss the application field and working principle of F980E476MMA.

The F980E476MMA is most commonly used in extreme temperature ranging from -55C to +125C and it has a standard voltage of 16V. It is an ideal choice for applications in areas with extremely high heat and vibration, such as automotive, military, aerospace, transportation, and consumer electronics. Its high capacitance and high low-ESR rating make it an ideal choice for smoothing high-frequency ripple currents, decoupling, energy storage, and filtering. In addition, its hermetic seal and low profile make it a good choice for high density circuit boards.

The working principle of a F980E476MMA involves two plates that are separated by electrically insulating oxide layer. The oxide layer is formed by electroplating a tantalum metal pellet, then anodizing it to create a dielectric on its surface. The top plate of the capacitor is then connected to the positive terminal, while the bottom plate is connected to the negative terminal. An electric charge is then applied to the two plates, causing an electric field across them. This, in turn, causes current to flow until the capacitance value is reached, which can be controlled by the thickness of the oxide layer. Additionally, the electric charge used to charge the capacitor is stored in the form of an electrostatic field between the plates, which leads to the high capacitance value of the F980E476MMA.

In conclusion, the F980E476MMA is a type of tantalum capacitor that is commonly used in printed circuit boards. It is ideal for applications with extreme temperatures and high density circuit boards. Its high capacitance-to-volume ratio and low ESR rating make it an ideal choice for energy storage, decoupling, and filtering. The working principle involves two plates separated by an oxide layer, with the electric charge being stored as an electrostatic field between the plates.

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