2R5TPF330M7L Capacitors

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Tantalum - Polymer Capacitors

Tantalum–polymer capacitors are a type of electrochemical capacitor that take advantage of the high capacitance per unit volume of an organic tantalum polymer electrolyte instead of a solid dielectric. The tantalum–polymer capacitor works on the same principle as a traditional tantalum electrolytic capacitor, but uses a different type of dielectric medium. This enables the device to reach high levels of capacitance in a much smaller package than a traditional electrolytic capacitor.

2R5TPF330M7L Application Field and Working Principle

The 2R5TPF330M7L is a high-performance tantalum–polymer capacitor specifically designed for applications that require a high degree of reliability and electrical stability. With a high working voltage (330Vdc) and a wide temperature range (-55 to +125°C) it is ideal for high frequency power supplies, Automotive, and other critical applications. It is capable of handling large ripple currents, making it suitable for high power filters, snubbers, and inrush current limiters.

At their core, tantalum–polymer capacitors consist of three parts: a conducting anode, an organic tantalum polymer electrolyte and a conducting cathode. The incoming current is applied to the anode, creating a charge on the surface of the tantalum polymer. This forms a conducting boundary layer in the electrolyte and creates a charge displacement in the electrolyte. This charge displacement creates an electric field, resulting in a positive and a negative armature in the capacitor.

The space between the two arms forms the interface or dielectric medium of the capacitor, allowing for an electric field to exist between the anode and the cathode. The size and shape of the capacitor and the dielectric material determine the capacitance of the device, while the voltage rating is determined by the breakdown potential of the dielectric material.

The compact size of tantalum–polymer capacitors also makes them well suited for applications that require a high amount of capacitance, such as pulse-width modulation (PWM) controllers. In addition, the wide temperature range of these capacitors makes them suitable for high-power switching applications, since they can remain stable at high temperatures.

Conclusion

The 2R5TPF330M7L reduces the size, weight, and profile of high-reliability and high-performance circuits by combining a high voltage rating with a wide temperature range. This allows for the integration of high-power electronics into tight spaces, as well as into applications where size is a critical factor. Its robust capacitance allows for the replacement of multiple traditional electrolytic capacitors into a single unit, reducing board-level cost, board-level complexity, and power dissipation.

In addition, its high level of reliability makes it well suited for applications that require a high degree of electrical output stability. From high frequency power supplies to automotive circuits, the 2R5TPF330M7L provides a reliable and cost-effective option for circuits requiring high-reliability capacitance in a robust package.

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