T540D477M004BH87107280

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

T540D477M004BH87107280 is a type of Tantalum - Polymer Capacitor, which is a solid state device used to store electrical energy. Unlike conventional electrolytic capacitors, which are composed of two separate components, a charge plate and an electrolyte, Tantalum - Polymer Capacitors are composed of a single, uniform layer of an electrochemical device known as a ‘solid polymer’.

Applications

Tantalum - Polymer Capacitors are ideal for uses where low voltage (<10 V), high capacitance (>1 F/mm2) and high reliability are required. They are commonly used in backup power applications, such as when a server needs to stay running during power outages or emergency conditions. They are also used frequently in military and aerospace applications, as they are more efficient and reliable than traditional electrolytic capacitors.

Tantalum - Polymer Capacitors are also used for decoupling applications in high-speed switching power supplies and audio power amplifiers, as well as providing bulk storage for charge pumps, motor drives, and other applications. They are popular for low-voltage DC/DC converter applications, where their minimal operating voltage and lower ESR values reduce output ripple and improve efficiency.

T540D477M004BH87107280 is an especially rugged variant of the Tantalum - Polymer Capacitor, and is particularly well-suited for automotive and telecom applications, as it can handle the high current loads and wide temperature ranges associated with these industries.

Working Principle

The working principle behind the Tantalum - Polymer Capacitor is quite different from that of other capacitors. It is formed from a special type of electroactive polymer, which is combined with the metal Tantalum, which acts as the anode, and an electrolyte, which serves as the cathode. When a voltage is applied, ions move through the electrolyte and are attracted to the anode, forming a double-layer at the interface between them and allowing a charge to be stored. The key difference between solid polymer and other capacitor types is that in this case, the electrodes remain in direct contact, allowing a much higher capacitance.

The Tantalum - Polymer Capacitors have several advantages over traditional electrolytic capacitors. They offer much lower Equivalent Series Resistance (ESR) levels and leakage current, making them much more reliable in critical applications, and they have a much wider range of capacitance values, extending up to 200F/mm2. The long-term stability of these capacitors also make them an attractive option for applications requiring low leakage and long life.

Conclusion

T540D477M004BH87107280 is a robust, reliable, and high-performance variant of the Tantalum - Polymer Capacitor, well-suited for automotive and telecom applications. The capacitor is designed to store electrical energy at low voltage levels, with very low ESR and leakage current properties. Its long-term stability and high capacitance values make it an ideal choice for decoupling and backup power applications, as well as DC/DC converters and other applications.

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