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Tantalum Capacitors

The M39003/09-0172/HSD is a type of high-reliability, miniature, hermetically sealed Tantalum Capacitor. It is designed specifically to meet the demands of military and aerospace applications, and is offered in a variety of styles and capacitance ranges. It features a moisture resistant epoxy sealing compound, hermetic construction, and conformal coating for exceptional environmental protection. This capacitor is ideal for high reliability applications and offers excellent temperature cycling and frequency stability.

Application Field

Due to its reliable construction and conformance to the industry standards, the M39003/09-0172/HSD is used in a wide variety of applications. It is often used in military and aerospace applications, where it is intended to provide exceptional protection from extreme environments. It can also be used for high voltage DC/AC filtering, timing, compensation, and snubber circuits. In addition, the capacitor is suitable for use in test equipment, communication systems, medical devices, and industrial control systems.

Working Principle

The basic functionality of Tantalum Capacitors is due to the capacitance created between two electrodes. The capacitance is the result of the opposing electric fields between two conductors separated by an insulating medium, known as a dielectric. The dielectric can be either a solid or liquid material. In the case of the M39003/09-0172/HSD, the dielectric is the tantalum powder that is held between two electrodes.

When a voltage is applied across the two electrodes, the atomically charged particles of the tantalum powder are drawn to one surface or the other. This creates a capacitance between the two electrodes. The amount of capacitance is dependent on the amount of tantalum powder present, and the distance between the two electrodes. The greater the amount of tantalum powder and the smaller the distance between the electrodes, the higher the capacitance. The opposite is also true - the smaller the amount of powder and the larger the distance between the electrodes, the lower the capacitance.

Due to the reliable construction and excellent environmental protection capabilities of the M39003/09-0172/HSD, it is an excellent choice for high reliability and highly temperature-sensitive applications. The capacitor\'s hermetic construction and conformal coating also make it an excellent choice for applications in harsher environments, such as those common to military, aerospace, and industrial use.

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