M39003/09-4054H

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Tantalum capacitors are a type of electrolytic capacitor, which employ tantalum as the anode. Tantalum capacitors have different types of construction, but the common style is a solid anode in the form of a foil and/or wire with a dielectric of tantalum oxide formed on the surface, and a lamellar cathode of lead/tin-coated aluminum foil or sintered pellet of a conductive material such as manganese dioxide and an electrolytic medium.

M39003/09-4054H is one type of tantalum capacitors. It is a miniature, hermetically sealed, low profile, high temperature, solid tantalum chip capacitor, with a standard capacitor envelope size of 0.950” square x 0.060” thick. Its capacitance range is 10 to 680μF and maintains capacitance stability with a 20% change in capacitance over the working temperature range of -55°C to +125°C. It is suitable for a variety of applications, including commercial and military aerospace, communications equipment, industrial motors and drives, and medical equipment.

The working principle of the M39003/09-4054H consists of two core parts. The first part is the solid tantalum anode. This is usually manufactured as a pressed powder that is formed into a foil or wire. As the powder is heated and pressed, its surface becomes coated with a tantalum oxide passivation layer, which is the dielectric for the capacitor.

The second part of the capacitor is the cathode, which can take the form of a lead/tin-coated aluminum foil or a sintered pellet of a conductive material such as manganese dioxide. This cathode is connected to an electrolyte. As current flows through the capacitor, the electrolyte breaks down the tantalum oxide layer, creating an electric charge on the anode and a corresponding electric field between the anode and cathode. This electric field creates what is known as a capacitor, which is capable of storing electrical energy.

The M39003/09-4054H has a number of advantages over other types of capacitors. It has a low ESR, high temperature stability, and exceptional reliability. In addition, its dielectric is stable over a wide temperature range and is highly resistant to potential breakdowns due to mechanical shock and vibration.

The M39003/09-4054H is used in a wide variety of applications such as power supplies, frequency synthesizers, signal conditioning, and filters. It is also used in aerospace, communications, military, medical, and industrial applications, where high temperature stability, low ESR, and high reliability are critical.

In summary, the M39003/09-4054H is a miniature, hermetically sealed, low profile, high temperature, solid tantalum chip capacitor. Its working principle is based on a solid anode in the form of a foil and/or wire with a dielectric of tantalum oxide formed on the surface, and a lamellar cathode of lead/tin-coated aluminum foil or sintered pellet of a conductive material such as manganese dioxide and an electrolytic medium. It has a number of advantages including low ESR, high temperature stability, and exceptional reliability, and has a wide range of applications including aerospace, communications, military, medical, and industrial applications.

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