13008-072MESZ

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Tantalum Capacitors

Tantalum capacitors are a type of electrolytic capacitor composed of tantalum, a rare, hard and inert metal found primarily in the ore coltan. They are widely used in today\'s electrical engineering, and come in several different sizes and architectures. The most common type is the 13008-072MESZ, a small but very reliable component.

13008-072MESZ Application Field and Working Principle

The 13008-072MESZ capacitor is a fixed-value, miniature tantalum capacitor with a capacitance of 72µF. The anode and cathode are encapsulated in ceramic cases with an epoxy resin coating. The anode is formed from a sputtered layer containing tantalum oxide, and the cathode is formed from a layer of pure tantalum bound in the cases. The capacitance is formed through the electrochemical reaction between these two materials.

Due to its small size and high capacitance, the 13008-072MESZ is mainly used in a range of electronics applications, including consumer equipment, industrial circuits, and medical devices.

The 13008-072MESZ capacitor is most commonly used in high-frequency circuits, such as those found in audio frequency applications. Due to its small size, it is well-suited for applications where space is at a premium. Other common applications include motor control systems and switching power supplies.

When properly applied, tantalum capacitors are known for their high reliability and high-temperature performance. They have an electrolyte that allows them to be used in a wide range of temperatures and provide excellent electrical stability.

In terms of working principle, the 13008-072MESZ capacitor relies on the electrochemical reaction between the tantalum oxide anode and the pure tantalum cathode. When a voltage is applied between the anode and the cathode, an electrical field is created and the chemical reaction results in the formation of a dielectric layer. This layer is essential to the capacitance of the capacitor.

As the voltage across the capacitor increases, the dielectric layer continues to form until the device reaches its rated voltage. At this point, current flow can no longer take place and the capacitor is considered to be “fully charged”.

As current continues to pass through the capacitor, the dielectric layer begins to break down. This results in an increased heat generation and the eventual failure of the device. It is important to ensure that the voltage applied to the capacitor does not exceed its rated voltage, otherwise, it can cause permanent damage to the device.

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