T540D477K2R5DH8605WAFL

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Tantalum - Polymer Capacitors are a type of capacitors that use a combination of tantalum and polymer to store energy and provide an electrical input. They are widely used in various electronic devices, such as computers, telecom infrastructure, and consumer electronics.

The T540D477K2R5DH8605WAFL is a specific type of Tantalum-Polymer Capacitor. It is a surface mount device with a broad range of capacitance values, ranging from 0.1uF to 4.7uF. It features extended endurance, low Equivalent Series Resistance (ESR), and enhanced temperature stability. This product is specially designed to withstand high ripple current and high surge current conditions.

Application Field

The T540D477K2R5DH8605WAFL Tantalum-Polymer Capacitor functions well in high temperature, high current, and high voltage environments. It is well-suited for use in switch-mode power supplies, DC-DC converters, and battery powered systems. Furthermore, in consumer electronics, this product is often used in digital cameras and cell phones. These microelectronic devices require capacitors with extended endurance, low dissipation and reliable voltage ratings.

Working Principle

The working principle of any capacitor is based on the accumulation of electric charge. To produce an electric field, a voltage of a certain magnitude is applied across two parallel electrodes. The T540D477K2R5DH8605WAFL Tantalum-Polymer Capacitor uses an anode which is typically made of tantalum and a flexible, ionically conductive polymer electrolyte as its two electrodes. The anode is electronically connected to the outer surface of the capacitor, while the electrolyte is connected to the inner surface. When a voltage is applied, ions from the electrolyte migrate towards the anode, and accumulate on its surface to form a layer of static electric charge.

The static electric charge stored on the surface of the anode is the capacitance of the capacitor. The magnitude of the capacitance is determined by the area of the anode, the distance between the two electrodes, and the dielectric constant of the electrolyte. As the voltage applied to the electrodes is increased, the capacitance of the capacitor increases proportionally. This is due to the fact that the ions accumulate on the anode, increasing the surface area covered by the electric charge.

The T540D477K2R5DH8605WAFL Tantalum-Polymer Capacitor has a low ESR due to the flexibility of the polymer electrolyte. This gives it an advantage when compared to traditional electrolytic capacitors, as it is capable of handling high ripple and surge currents. Furthermore, its endurance and temperature stability are superior to most other capacitors.

In conclusion, the T540D477K2R5DH8605WAFL Tantalum-Polymer Capacitor is a high-performance surface mount capacitor that is suitable for use in various electronic devices, such as computers and consumer electronics. Its low ESR, extended endurance, and high temperature stability make it an excellent choice for those applications that require a reliable source of electrical power.

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