M39003/09-3014/TR

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Tantalum Capacitors

The M39003/09-3014/TR is a specially designed kind of tantalum capacitor. It is a metallic electrolytic capacitor, because it is constructed with one or two anodes of tantalum metal that acts as a dielectric, and a highly conductive gel-like electrolyte of manganese oxide. The tantalum capacitors offer very high capacitance values and low equivalent series resistance in a small package, making them well suited for high frequency and signal processing applications.

Application Field

Tantalum capacitors are useful in many applications. They have been widely used in military and space-borne electronics. They are also used in power supplies, automotive electronics, telecommunications, instrumentation, high temperature, and lead-free applications. The physical size of this type of capacitor makes it an ideal choice for devices such as laptop and notebook computers. The M39003/09-3014 also has the ability to withstand extreme temperatures and extreme conditions that allow for operation in space.

Working Principle

When a direct current is applied to the tantalum capacitor, an electric field is produced between the anode and cathode. This field causes the metal ions in the electrolyte to be attracted to the anode and negative charges on the cathode. This creates a double layer of electrons which is the main source of charge storage. Tantalum capacitors also operate in a similar manner to ceramic capacitors.

The two main elements of this capacitor is the anode and the electrolyte. The anode is made from a tantalum oxide layer that functions as a dielectric. This layer is integral in allowing the capacitor to store energy. The electrolyte is composed of a metal oxide that acts as a conduction medium. The anode and electrolyte are separated by a solid dielectric.

The capacitance of the tantalum capacitor is determined by the number of charge carriers and the surface area of the anode. Due to the many benefits of tantalum capacitors, they are often used in various electronic circuits. They are especially popular in high frequency and low power applications due to their excellent performance.

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