M39003/09-0163H

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Tantalum capacitors are a type of electrolytic capacitor which uses a tantalum metal plate as its anode, covered by an insulating oxide or dielectric layer. The electrolyte is aqueous, which contains positively charged ions. The tantalum capacitor utilizes the attraction between these ions and the negatively charged anode to store the electrical charge. The M39003/09-0163H is the military part number for a long series of industrial grade tantalum capacitors.

The range of M39003/09-0163H capacitors includes axial, hermetically sealed, and power supply capacitors. The capacitors are constructed using an encapsulating epoxy and an efficient low resistance connecting lead. The M39003/09-0163H capacitors have a capacitance range from 1.2uF to 470uF and a voltage range from 2WV to 6WV.

The M39003/09-0163H capacitors are suited for industrial applications such as high-voltage switching power supplies, DC-DC converters, solar and UPS systems. They have a heavily built structure which ensures a long operating life and reliable performance under harsh environmental conditions. Furthermore, these capacitors boast a high volumetric efficiency and low age-related voltage drift, much higher than ceramic capacitors.

The basic working principle of a tantalum capacitor is similar to that of an aluminum electrolytic capacitor. In the M39003/09-0163H capacitor, the anode is formed by a tantalum plate which is covered with an insulating dielectric layer. The cathode is formed by the electrolyte, which is a passive medium, inundated with positive ions. When current is applied, the negative charge of the cathode attracts the positive ions, causing them to neutralize the anode. These ions become trapped in the dielectric layer, thus forming a capacitor.

The high quality and reliability of M39003/09-0163H capacitors make them a popular choice for high voltage, high current applications. They are also an ideal choice for military and aerospace systems due to their rugged construction and resistance to extreme temperature and humidity. The low leakage current, low equivalent series resistance, and high ripple current ratings make these capacitors ideal for use in power supplies, motor controllers, and general electronic components.

In conclusion, the M39003/09-0163H is a long series of tantalum capacitors which offer a wide range of applications for high voltage switching power supplies, motor controllers, and general electronic components. They feature a robust construction to ensure a long operating life and reliable performance. The basic working principle of a tantalum capacitor is similar to that of an aluminum electrolytic capacitor, utilizing the attraction between the ions of the electrolyte and the negative charge of the anode to store the electrical charge.

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