199D335X9016AYV1

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Tantalum Capacitors

Tantalum capacitors are electronic components designed to take advantage of the excellent electrical properties of tantalum, an element which has high electrical conductivity and a low dielectric constant. A capacitor is a two-terminal device consisting of a pair of metal plates separated by an insulator, or dielectric. By definition, a capacitor stores electrical energy. The electrical capacitance of a capacitor is determined by the amount of charge stored in the dielectric. When a capacitor is subject to an electrical voltage, the resulting electric field causes it to store an electrical charge.

The part number 199D335X9016AYV1 is part of the KEMET tantalum capacitor family. This specific product is a molded, solid-state tantalum capacitor with a MnO2/Ta electrode in a hermetically sealed molded case and is designed for use in many commercial, industrial, and military electronics applications. It features a voltage rating of 16 volts and a capacitance of 335 µF.

Application Field

Due to the properties mentioned above, tantalum capacitors can be found in myriad applications, including power management in computers, telecommunications, and military and aerospace applications. Other common uses include power supplies, over-voltage protection, and frequency and voltage conversion. Applications requiring high levels of performance, such as military and aerospace, are particularly well served by this technology.

199D335X9016AYV1 is used in critical circuit applications in many conditions, including high temperature, DC offset, and intense shock and vibration. It is also used in RF and film capacitors, high-current discharge, and various automotive and solid-state lighting applications. With a long lifetime, extremely low leakage, and high capacitance per unit weight and volume, this device is ideal for challenging, low leakage applications.

Working Principle

Tantalum capacitors feature an electrolyte and capacitor electrodes, with an extremely thin dielectric tantalum pentoxide film (Ta2O5) between them. The charge storing principle of tantalum capacitors is very similar to that of an electrochemical cell, in which chemical reactions between the anode and the electrolyte are responsible for storing and releasing the electrical charges. The ohmic resistance and electrical capacity of the dielectric film controls the flow of current in and out of the capacitor.

The 199D335X9016AYV1 is a leak-proof, hermetically sealed molded type tantalum capacitor with a MnO2/Ta electrode and a polyester dielectric. It is a surface-mount capacitor that has high capacitance per unit volume and low ESR, making it ideal for critical circuit applications. This capacitor also offers an extra measure of safety by utilizing a six-point burn marking and full internal insulation. The device also features low flux losses and is robust and reliable in conditions with vibration and high temperatures.

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