M39003/01-2579

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Tantalum capacitors are capacitors which use tantalum as the anode, or positive electrode. Unlike other capacitors such as the aluminum electrolytic capacitor, the tantalum capacitor has a fixed, non-variable capacitance. This allows them to be used in applications where a specific capacitance is required. The M39003/01-2579 is one such capacitor, and is commonly used for various applications in the electronics industry. This article will explore the application field of the M39003/01-2579 and its working principle.

The M39003/01-2579 is a surface mounted tantalum capacitor with an anode-cathode capacity of 2.2μF. It is a 20V rated capacitor and is commonly used in communications circuits, industrial equipment, and consumer electronic devices. It can be used in a variety of applications such as signal filtering, AC line filtering, and decoupling. It is also suitable for high frequency biasing circuits and for filtering low frequency signals. Additionally, it can be used for DC-DC converters, and also in switching and logic circuits.

The working principle of a tantalum capacitor is relatively simple. When a voltage is applied to the anode of the capacitor (the positive side), it creates an area of reduced resistance around the anode, called the depletion layer. As current passes through the capacitor, it is attracted towards the depletion layer and the charges are stored in the layer. This process creates an electric field between the positive and negative terminals. This electric field is what stores the energy in the capacitor.

The M39003/01-2579 features a dual-layer ceramic, glass epoxy substrate material with a Ni-barrier plating. The anode is made of tantalum metal powder and the cathode is connected to the Ni-barrier layer. The capacitor also features a hermetic seal which helps protect it from vibration and moisture, and a solderable finish for easy installation. This capacitor is very reliable, with a Low ESR and long-term stability.

In conclusion, the M39003/01-2579 is a 20V rated surface mounted tantalum capacitor with an anode-cathode capacity of 2.2μF. It has a variety of uses, such as signal filtering, AC line filtering, decoupling, DC-DC converters, and biasing circuits. It features a dual-layer ceramic and glass epoxy substrate, a hermetic seal, and a solderable finish. The working principle of a tantalum capacitor is relatively simple, involving the use of a depletion layer to store charges in the electric field. The M39003/01-2579 is a robust and reliable capacitor, perfect for a wide range of applications.

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