109D158X9010K2

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Tantalum Capacitors

Tantalum capacitors are high-capacity capacitors that incorporate a tantalum pellet between two conductive plates. The name comes from the fact that the metal tantalum is used in their construction. The tantalum pellet provides greater capacitance than the conventional aluminum capacitor.

Tantalum capacitors are widely used in the electronics and industrial markets due to their high capacitance, low resistance, and long shelf-life. They are especially suitable for high-frequency applications, due to their superior frequency response characteristics.

Development of the tantalum capacitor began in the 1940s, when high power condensers were needed for military aircraft and other applications. Researchers discovered that tantalum was well-suited for this purpose, due to its low resistivity and excellent corrosion-resistance at high temperatures. These benefits continue to make tantalum capacitors highly desirable for use in military, aerospace, and other high-stress applications.

The most common type of tantalum capacitor is the axial type, which is composed of a metal housing, an oxide layer, two leads, and a pellet of pure tantalum between the leads. The pellet is usually embossed with metal electrodes that form the plates. The electrical connection between the plates is provided by the oxide layer, which acts as a dielectric between the plates.

The 109D158X9010K2 tantalum capacitor is an axial type capacitor that utilizes an oxidized pellet sandwiched between two metal plates. It can handle up to 10 volts of reverse voltage and has a tolerance of 5% of its stated capacitance. The 109D158X9010K2 is especially suited to high frequency applications, from tens of kHz up to tens of MHz, due to its superior frequency response characteristics compared to other capacitor types.

The 109D158X9010K2 finds a wide range of applications in the military, aerospace, automotive, industrial, and electronic markets. Common applications for the 109D158X9010K2 include bypass and decoupling capacitors, AC line filtering, rectifiers, single-ended power supplies, and battery packs.

The working principle of a tantalum capacitor is based on the same principles as other types of capacitors. It stores energy in an electric field, built up between two metal plates, and releases it when the field dissipates. The electrical energy is stored in the form of an electric charge on each of the metal plates. As current is drawn from the capacitor, the electric field diminishes, and the energy stored within it is released.

In the case of the 109D158X9010K2 capacitor, the capacitance value is determined by the physical size and number of pellet layers of the capacitor. Generally speaking, the more pellet layers, the higher the capacitance value. The voltage rating of the capacitor is determined by the quality of the oxide film, as well as the thickness and temperature of the dielectric layer, which can be varied according to the application requirements.

In summary, tantalum capacitors are well-suited for use in a wide variety of applications, from military and aerospace to automotive and consumer electronics. The 109D158X9010K2 tantalum capacitor is a high capacity capacitor suited to high frequency applications due to its superior frequency response characteristics. It has a capacitance value determined by the number of pellet layers and a voltage rating determined by the quality of the oxide film and the dielectric layer.

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