173D186X9015X

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Tantalum capacitors are one of the most popular types of surface-mount capacitors used today, and for good reason. They are small, lightweight, and robust. The capacitors are made of two very conductive metallic plates, one of which is a sheet of tantalum metal. This sheet is then folded and encased by a high permittivity layer which helps to further enhance the electrical properties of the capacitor. The technical name for a tantalum capacitor is a Polymer Electrolytic (Tantalum) Capacitor, PEC (T), and the model number 173D186X9015X is assigned to a particular part from a major component manufacturer.

Application Field

> Tantalum capacitors are employed in a variety of applications, particularly low-frequency, high-current, and pulse circuits. One popular application is as an energy storage device for mobile electronics. They are often used in systems where the same capacitors must be able to fit in a limited space and be able to handle a large amount of current. Examples of such systems include cell phones, laptop computers, automotive, industrial, and medical applications. Additionally, they can be used in audio signal and voltage regulation circuits, because of their excellent low- resistive loss, allowing for higher-resolution images and improved signal-to-noise ratio.

Working Principle

At the core of a tantalum capacitor, the tantalum metal acts as one side of the capacitor, while the other is usually a porous anode impregnanted with an organic electrolyte. Between these is a dielectric layer. When a potential difference is applied across the terminals, an electrical field is created between the anode and cathode which permits the flow of charge between them. The capacitance of a tantalum capacitor is determined by the size of the plate area and the distance between the plates. The dielectric layer determines how much charge can be stored in the capacitor, and the electrolyte contains ions which are able to move between the anode and the cathode and therefore control the level of charge stored in the capacitor.

In conclusion, the 173D186X9015X tantalum capacitor is a versatile, reliable component used in many electronics applications. It is capable of storing and transferring high levels of electrical energy in small amounts of space. Made from two metallic plates and an electrolytic layer, the capacitor can be used in low-frequency, high-current, and pulse circuits, as well as specialized circuits such as audio and voltage regulation.

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