F921A475MAA

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Tantalum capacitors are comprised of two electrodes separated by an insulating dielectric. They are amongst the smallest, most efficient, and powerful capacitors available and are widely used for military, avionic, medical, and automotive applications. The F921A475MAA tantalum capacitor is a solid-electrolytic type of capacitor and it is a device characterized by a high capacitance-to-volume ratio, high ripple current rated capacitance, and high temperature stability.

The F921A475MAA has been designed to provide high performance in today’s demanding applications, such as advanced portable electronics, digital systems, and microcontrollers. It is characterized by low equivalent series resistance (ESR) and long-term reliability due to its solid-electrolytic construction. It is constructed from a sintered anode tantalum powder or a plate, with a special liquid electrolyte, and an essential second electrode (the cathode).

The application field of the F921A475MAA tantalum capacitor is highly wide and varied. Its solid-electrolytic construction and its many superior characteristics such as high capacitance, low ESR, and low leakage current have made it suitable for both low and high frequency filtering applications, signal coupling, and energy storage in SMPS circuits, portable electronics, and microcontrollers. The device is also suitable for applications such as audio signal coupling, power supplies and other DC-DC converters, and LEDs for optical signal coupling.

The working principle of the F921A475MAA tantalum capacitor is based on the electric double layer (EDL) principle. When voltage is applied to the device, electric charge is stored in two layers: a positively-charged layer (one layer of insulation) and a negatively-charged layer (a layer of liquid electrolyte) which results in a Capacitor. The EDL principle allows the F921A475MAA to combine high capacitance and low ESR in a very small form factor. Additionally, the unique electrolyte-based construction of the device also provides superior temperature and frequency stability, making it suitable for many different applications.

The F921A475MAA tantalum capacitor is an efficient, high-capacitance component designed to provide power-hungry applications with the highest level of reliability and efficiency. Its superior characteristics, such as high capacitance, low ESR, and low leakage current, make it an ideal choice for applications such as audio signal coupling, power supplies, and LEDs. Its excellent temperature and frequency stability and its solid-electrolytic construction allow it to be used in high performance, highly demanding applications.

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