2TPE470MAFB Capacitors

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Tantalum–Polymer Capacitors

The 2TPE470MAFB is a typical example of a tantalum–polymer capacitor. These capacitors are a type of electrolytic capacitor and form a key component in many popular electronic circuits. As well as being reliable, they offer a high capacitance-voltage ratio, which makes them ideal for many applications.

Application Field

A tantalum–polymer capacitor can be used for a number of purposes, such as in power supply decoupling, voltage regulation, filtering, DC motor control, timing or signal logic. They are particularly useful when space and efficiency is at a premium, as their high capacitance-voltage ratio enables them to provide superior performance in low-voltage applications.

Tantalum–polymer capacitors are often used as replacements for certain types of ceramic capacitors in electronic circuits, due to their improved performance and reliability. They are particularly suitable for power converters, as they can withstand higher ripple current and are more capable of withstanding high temperatures. These features make them ideal for automotive, industrial and telecommunications applications.

Working Principle

The working principle of a tantalum–polymer capacitor is based on the fact that a thin layer of tantalum pentoxide (Ta₂O₅) is sandwiched between a conductive polymer anode and a dielectric electrolyte. When an electric current is applied, ions in the Ta₂O₅ layer are attracted to the positive anode, thereby forming a charge on the capacitor. This charge can then be used to power circuits.

The major benefit of the tantalum–polymer capacitor is its low equivalent series resistance (ESR), which allows it to deliver higher capacitance with lower voltage drop. This in turn makes them ideal for high efficiency, low voltage applications. However, they are also more prone to failure, due to their sensitivity to heat and moisture.

The 2TPE470MAFB is a typical example of a tantalum–polymer capacitor. It is a polarized capacitor, with a rated working voltage of 4V and a capacitance of 47µF. It has a wide temperature range from -55°C to +105°C and a low ESR of 0.5 Ohms, making it suitable for all types of power management and voltage regulation applications.

Conclusion

Tantalum–polymer capacitors are a popular component in many electronic circuits and are ideal for high efficiency, low voltage applications. The 2TPE470MAFB is a typical example of a tantalum–polymer capacitor, offering high capacitance-voltage ratio, wide temperature range, and low equivalent series resistance, making it ideal for a variety of applications.

The specific data is subject to PDF, and the above content is for reference