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Tantalum - Polymer Capacitors

2R5TPE470M9 application field and working principle

Tantalum polymer capacitors are the most recent generation of capacitors. A capacitor is an electronic component that stores electrical energy, making them an important part of many electronic devices. Tantalum capacitors use an electrically conductive polymer material, usually as an electrolyte, for their construction. This makes them ideal for use in high-voltage and high-frequency applications, allowing for improved performance and a greater stability than other capacitor types.

The 2R5TPE470M9 is a tantalum – polymer capacitor that has a capacitance of 470μF. The 2R5TPE470M9 has a total capacitance tolerance of ± 20%, allowing for some variation in the capacitance value. This capacitor also features excellent electrical characteristics, with a maximum operating temperature of 70°C and an operating temperature range of -55°C to +85°C. The 2R5TPE470M9 is rated to a stand-off voltage of 10V.

The 2R5TPE470M9 is suitable for use in various applications, such as in power supplies, audio applications, high frequency switching circuits, and RF power amplifiers. As a polarity sensitive device, it is important to ensure that the 2R5TPE470M9 is connected in the correct manner for maximum performance. As a tantalum – polymer capacitor, the 2R5TPE470M9 is characterized by a very low ESR (equivalent series resistance) value, making it suitable for use in high frequency applications.

The working principle of a tantalum / polymer capacitor relies upon the passive components – an anode, cathode and dielectric material. When a voltage is applied to the anode, positively charged ions move towards the anode, while negatively charged ions move towards the cathode. This establishes an electric field between the anode and the cathode, causing a separation of the charge. This charge separation leads to the capacitance of the tantalum – polymer capacitor, allowing for the electronic component to effectively store electrical energy.

The 2R5TPE470M9 is a robust tantalum – polymer capacitor, designed for a variety of demanding applications. Its excellent electrical characteristics make it perfect for use in high-voltage and high-frequency applications, enabling electronics designers to achieve superior performance and stability.

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