M39003/01-2639/HSD

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Tantalum Capacitors

Tantalum capacitors, often referred to as Tantalum Polymer Capacitors, are built on a tantalum core and feature an oxide layer that has a high capacitance value. These capacitors are highly utilized in various applications, from high-end power conditioning systems and medical devices to mobile phones and PDAs, to name a few. The M39003/01-2639/HSD series of tantalum capacitors are specifically utilized for several civilian commercial applications.

Application Field and Working Principle of M39003/01-2639/HSD

The M39003/01-2639/HSD series of tantalum capacitors can offer as high as 40V voltage ratings and are widely used in various electronic circuits, such as for power filtering, high-frequency analog and switching filters, voltage and current regulation, impedance conversion, buffering and energy storage, as well as radio frequency applications. This series of capacitors have extremely low leakage current and features a relatively small temperature coefficient, which makes them suitable for a wide variety of applications.

The working principle of tantalum capacitors is based on a two-terminal ceramic or polymer dielectric. The electrodes are dissimilar materials with different electrical properties, usually tantalum and aluminum. However, the exact composition of these materials can vary depending on the application. When electric current passes through one of the electrodes, a voltage is produced that can be stored in the dielectric, causing a change in its capacitance, which is known as polarization.

These capacitors also comprise a polarizing film, which is an insulating layer of a dielectric material, such as plastic or polypropylene. This film also serves as an insulator to prevent the leakage current. The capacitance of the device is determined by the thickness of the film, the type of material used, and the amount of charge applied. In addition, the electrodes’ physical size and the construction technique further determines the total capacitance.

The most common type of polarizing film is made from Tantalum pentoxide, which offers a very high capacitance. This film is extremely stable under high temperatures, which is ideal for power conditioning and voltage regulation applications. Furthermore, due to their high quality and advanced construction techniques, these capacitors can operate in a large temperature range of -55°C to +125°C.

Due to its unique characteristic of having a relatively high value of capacitance in a very small device, tantalum capacitors are ideal for integration into compact, high-density, and lightweight electronic systems. In addition, they can be re-programmed and used in various industrial, medical, and military applications because of their low leakage current, low temperature coefficient, and high quality.

The M39003/01-2639/HSD series of tantalum capacitors are perfect for various applications as they are constructed with a high quality material, have a low leakage current and temperature coefficient, as well as excellent stability at high temperatures. Furthermore, they feature a very high value of capacitance in a surprisingly small device, which makes them ideal for a range of electronic systems.

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