M39003/03-2042H

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Tantalum capacitors are capacitor devices based on the dielectric of tantalum oxide. They are very small and generally consist of a solid tantalum anode surrounded by an oxidized tantalum cathode capped by a metal case and sealed with an epoxy. The diameter of the device is typically 0.2 inch or less, while for mounting styles, they can range from radial, through-hole, SMD and others. The M39003/03-2042H is a typical tantalum chip capacitor with a rating of 1μF and 16 volt operation.

The M39003/03-2042H is used mainly for smoothing/decoupling signals in the application of integrated circuits and electronic equipment. It is also suitable for pulse circuit and switched mode power supply circuits, due to its small size, which helps reduce space requirements. In addition, it has the advantages of low equivalent series resistance (ESR) and low reverse leakage current, compared with other chip capacitors.

As for its working principle, the M39003/03-2042H is an electrostatically charged capacitor device, consisting of two electrodes between which a dielectric material is placed to store electrical energy. When the capacitor is charged, electrons are attracted and stored on the anode (the negative terminal). This causes the potential of the anode to become more negative and the potential of the cathode to become more positive. Thus, a voltage gradient is created between the two terminals. This voltage gradient is dissipated when current is drawn from the device.

The M39003/03-2042H has a variety of features that makes it a reliable and effective choice for smoothing/decoupling signals in the application of integrated circuits and electronic equipment. Its low equivalent series resistance (ESR) allows for a better signal regulation, while its small size makes it ideal for space-constrained applications. Additionally, its reverse leakage current is low, even when the capacitor is subjected to high temperatures, thus ensuring its reliability in even the harshest of conditions. Finally, its high vibration and shock resistance makes it highly durable even when subjected to mechanical shock and vibrations.

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