M39003/01-8364H

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Tantalum capacitors are among the most commonly used passive electronic components in various applications. Developed in the mid-twentieth century, the technology of building tantalum capacitors is self-stabilizing and reliable.

A tantalum capacitor is an electrochemical capacitor, like an electrolytic capacitor, and is composed of two conductive plates that form a dielectric. The capacitor works by forming a deadly barrier between the two plates, thus preventing current flow. A dielectric is an insulating material, and when an electric field is applied to the plates, it produces an electric charge across the plates.

The type of capacitor used for the M39003/01-8364H is a polymeric tantalum capacitor, which has the advantages of lower series impedance, lower ESR (equivalent series resistance), and lower leakage current. These capacitors offer a higher temperature range, higher capacitance density, and better reliability.

In terms of application field, M39003/01-8364H polymeric tantalum capacitors find widespread use in mobile phones, medical devices, automotive electronics, military and aerospace electronics, and other consumer electronics. Owing to its high capacitance and low ESR characteristics, it is often used as an energy storage device in mobile phones, where the capacitor provides additional energy during peak load. It is also used as an output filter for voltage regulators in medical systems, and in automotive electronics, for electric motor control, starter systems, and airbag systems.

The capacitors are also commonly used as DC link capacitors and DC-DC converters in military and aerospace electronics, allowing for the transmission of high power without significant voltage drops. In consumer electronics, such capacitors are often used in power control circuits, to smooth out voltage drops caused by sudden load changes such as power cycling.

In terms of working principle, the capacitor works like any other capacitor – when a voltage is applied to its terminals, a current will flow through it. The capacitor is composed of two plates that are insulated by an electrolyte, and when current passes through the capacitor, a charge is stored in the plates. This charge then acts as a buffer to reduce any further voltage drops.

Another key feature of the capacitor is that it is self-healing – if there is a breakdown in the insulation layer between the plates, the capacitor will repair itself. This is because the ‘leakage’ of current across the dielectric causes a small amount of electrolyte to form between the plates, which forms a new dielectric layer that prevents further damage.

The M39003/01-8364H polymeric tantalum capacitors are a reliable, self-stabilizing, and energy efficient option for many electronic applications. With high capacitance and low ESR, they are a popular choice for applications such as mobile phones, medical systems, automotive electronics, and consumer electronics.

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