M39003/03-0312

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Tantalum Capacitors

Tantalum capacitors are a type of electrochemical capacitor which combines the properties of capacitors with a lower profile and higher capacitance density than many other types.

The M39003/03-0312 is a chip-style tantalum capacitor, popular for use in high-frequency circuits. It is often used in power supply decoupling, signal filtering and other electronic applications, such as timing or switching circuits.

Application Field and Working Principle

M39003/03-0312 Tantalum capacitors are suitable for use in circuits from DC to 1 MHz where long life and small size are necessary. They are also used in digital circuits for power supply decoupling and timing delay requirements.

Tantalum capacitors work in much the same way as other types of capacitors, but have a few differences. When a voltage is applied across the capacitor\'s terminals, it is stored on its two plates, the electrodes are connected by a tantalum electrolyte. This electrolyte behaves as a dielectric, meaning it is an insulating material between the two plates.

The capacitance of a tantalum capacitor is controlled by the area of the two plates and the distance between them. As voltage is applied across the capacitor, the dielectric partially blocks the flow of current in both directions, allowing only a certain amount of current to pass through. This current is used to charge and discharge the capacitor in order to store energy.

The advantage of using tantalum capacitors is that they have a much higher capacitance density than many other types. This means that they can be used in smaller packages with better performance, making them ideal for a wide range of applications.

Tantalum capacitors are commonly used in high frequency applications such as switching power supplies, RF amplifiers, clock and oscillator circuits, or any other application where small size and high capacitance is required.

The M39003/03-0312 Tantalum capacitors are also available with in-die termination, to provide easier assembly and better reliability. This ensures reliable performance in high temperature and vibration environments, making them ideal for use in automotive, military and aerospace applications.

The M39003/03-0312 capacitors are constructed from metalized tantalum cases, insulated with polyester resin, and have a variety of capacitance values available. They are also available in various standard tolerances ranging from a standard tolerance of 10%, 5%, and 1 to a military grade tolerance of 0.25%.

In conclusion, M39003/03-0312 Tantalum capacitors provide a high capacitance density, low profile, and reliable performance in high temperature and vibration environments. They are ideal for a wide range of applications, from power decoupling to signal timing and switching circuits.

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