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Tantalum Capacitors

Tantalum capacitors, such as the M39003/01-2940/HSD, are one of the most widely used capacitor types today. They are formed from two plates that are separated by a dielectric material, and produce a voltage drop across the plates that is opposite to the applied voltage. This electrical polarization creates a capacitance, which is the measure of the ability of the capacitor to store electrical energy.

Application Field

The M39003/01-2940/HSD can be used in a variety of applications, including:

• Power supplies and dc-dc converters
• High speed signal processing
• Automotive audio, navigation, and comfort systems
• Industrial and medical instrumentation

These capacitors are suitable for use in temperatures up to 125 °C continuously, making them suitable for hot environments. They are robust, long lasting, and can be used in both high-volume and custom applications.

Working Principle

Tantalum capacitors operate on a basic principle: electrical current flows more easily through a dielectric material. A dielectric material is an insulating material that prevents the flow of electrical current, but can be "polarized" to allow the current to flow. This polarization creates an electrical field that opposes the applied voltage, resulting in a "capacitance" of the capacitor. The magnitude of the capacitance is determined by the value of the two charged plates and the dielectric material in between them.

When a voltage is applied to a tantalum capacitor, the dielectric material between the two plates will become polarized and an electrical field will be created. This will create a voltage drop between the two plates, resulting in the capacitor storing energy in the form of an electric field.

The M39003/01-2940/HSD is a low-leakage, high-stability capacitor that is designed to store and release electrical energy quickly and efficiently. It is stable in both high frequency and low frequency applications, and is ideal for use in signal processing and automotive audio systems.

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