M39003/09-3040/TR

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Tantalum capacitors are a type of electrolytic capacitor, characterized by its small size, high capacitance value and excellent performance. Commonly used in consumer electronics, the M39003/09-3040/TR is one of the most popular tantalum capacitors available. This article will discuss its application field and working principle.

The M39003/09-3040/TR is a polarized capacitor, meaning that the positive and negative charging terminals must be connected to the correct battery terminals. It features a capacitance of 4.7uF, a voltage rating of 10V and an operating temperature rating of -55°C to 85°C. This makes the M39003/09-3040/TR suitable for a wide range of applications, such as in power supplies, DC/DC converters, and other electronic circuits.

The working principle of a tantalum capacitor is based on the electrochemical principle, in which electrons are transferred from one charged electrode to another charged electrode. In this case, the ions of the hygroscopic electrolyte are released by the anode–cathode polarization, creating an electrostatic field with a dielectric film that separates the positive and negative electrodes. This dielectric film serves as the capacitor’s dielectric material, giving it its capacitance rating.

The M39003/09-3040/TR features an extremely low ESR value, which allows it to be used in sensitive equipment. Its long life and high thermal stability also make it a reliable choice for demanding applications. Additionally, its RoHS compliant construction makes it safe for use in a variety of environments.

In summary, the M39003/09-3040/TR is an excellent option for applications requiring a long life, high capacitance value, and excellent performance. Its robust construction and low ESR rating make it ideal for use in power supplies, DC/DC converters, and other circuits, while its RoHS compliant construction ensures safe and reliable operation for a variety of environments.

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