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Tantalum Capacitors

Tantalum capacitors, usually sold under the M39003/03-2005/HSD designation, are electronic components which store electrical energy. A capacitor is a relatively simple electronic device consisting of two metal plates separated by an insulating material called a dielectric. When an electric current is applied to the capacitor, the plates accumulate a charge, forming an electric field. This field stores energy which can later be released when the power is shut off.

Tantalum capacitors are used in a variety of electronic applications such as in portable computers, TVs and cell phones. They also have industrial applications, including medical devices, automotive ignition systems, industrial control systems and robotics.

Application Field and Working Principle of M39003/03-2005/HSD

The M39003/03-2005/HSD is a small, rugged, high capacitance, axial-lead, Tantalum capacitor. It is designed for use in high-reliability, corrosive-resistant applications where the highest quality capacitors are required. With an operating temperature range of -65°C to +105°C, it is suitable for use in a wide range of applications.

The device is a polarized capacitor, which means that when connecting it, current flows through it in one direction only. To ensure proper operation, the correct polarity must be observed when installing the capacitor. Otherwise, the device may be damaged.

The M39003/03-2005/HSD is composed of tantalum metal, which is used as the positive electrode plate, while the negative electrode is composed of niobium. The two metals are separated by an insulating film made of a composite of manganese dioxide and other materials. This forms the dielectric layer, which stores the electrical energy. The two metal plates are held within an epoxy resin case, which ensures that the capacitor is well sealed and protected from physical damage.

When an electrical current is applied, the two plates become positively and negatively charged, forming an electric field which accumulates energy. As the capacitor is charged, the voltage on the plates increases until the breakdown voltage of the dielectric is reached. When this voltage is exceeded, the insulating material can no longer contain the electric field and current will begin to flow between the plates. The capacitor will then discharge, releasing the stored energy.

The M39003/03-2005/HSD is a rugged, reliable capacitors suitable for a wide range of applications. Its small size and high capacitance make it well-suited for high-reliability, corrosive-resistant applications where the highest quality capacitors are required.

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