M39003/03-2069H

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Tantalum capacitors are electronic components used to store electric charge, similar to common capacitors. They are made of a sintered anode core of tantalum metal which is covered by an insulating oxide layer on both sides and an electrolyte solution next to the oxide layers. The material used is a form of tantalum powder, which can be obtained from mined ore or recycled. The powder is then compressed in an anode mold and sintered. The oxide layer is formed by applying an anode current to the tantalum or by thermal oxidation. The electrolyte is then added, usually in an acrylic or aqueous solution. The components are then sealed with a conductive material, such as a thin piece of metal, to protect the anode and electrolyte solution from oxidation. The entire assembly is then inserted into a metal shell and vacuum sealed.

M39003/03-2069H is a specific type of tantalum capacitor which is typically used in the military or aerospace industry for its high-reliability. It is made with a medium anode-cathode distance and a conductive epoxy dielectric. This design allows for higher capacitor voltage and lower ESR compared to other types of tantalum capacitors. It can also withstand temperature ranges from -55°C to 125°C. The product is available in axial and radial lead configurations with A, B, and C case sizes.

The application fields for M39003/03-2069H tantalum capacitors include applications in the military and aerospace industry, where most require high reliability and stability under extreme environmental conditions. These capacitors can also be used for high-frequency accuracy in medical, industrial, and automotive applications. Examples of possible uses include battery packs, power electronics, telecommunications, automotive electronics, GPS systems, and more.

The working principle of tantalum capacitors is similar to that of common capacitors. When a voltage is applied, a current will flow between the anode and cathode through the dielectric material. The amount of current is determined by the capacitance of the device; more capacitance means more current. At the same time, a buildup of electric charge will occur on the surface of the dielectric material, creating a potential difference between the anode and cathode. When the voltage is removed, charge will remain on the dielectric material, and current will not flow. This is essentially what happens when a tantalum capacitor is used.

In conclusion, M39003/03-2069H tantalum capacitors are highly reliable components designed for use in military and aerospace applications. They offer high voltage and low ESR, can withstand extreme temperatures, and are available in axial and radial lead configurations. The working principle of these capacitors is the same as for common capacitors; current flows between the anode and cathode when a voltage is applied, and charge is stored on the surface of the dielectric material when the voltage is removed.

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