M39003/01-7203H

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Tantalum Capacitors

Tantalum capacitors or electrolytic capacitors are components used in electronic circuits to store electrical energy. They work on the principle of electrochemical capacitance, which is the ability of a material to store and release electric charge. The charge is stored in an acidic electrolyte held between two thin plates separated by a dielectric material, such as tantalum.

The use of tantalum capacitors has many advantages over other electronic components. They are small, lightweight, and long-lasting, making them ideal for use in a variety of applications. They are also very tolerant to changes in temperature and have a low equivalent series resistance (ESR). This makes them an excellent choice for high frequency and high power applications.

M39003/01-7203H Tantalum Capacitor Applications and Working Principle

The M39003/01-7203H is a beneficial type of tantalum capacitor that is used in a wide range of electronic applications. It has an extremely low capability for equivalent series resistance (ESR) making it ideal for high frequency and high power applications. This type of capacitor can be used in motor control, lighting control, and security systems, as well as audio and video equipment.

The M39003/01-7203H starts to work when voltage is applied to it, even though it is a non-polarized capacitor. This is because the solid dielectric material on the capacitor is constructed from a type of tantalum known as tantalum pentoxide. This is because the solid dielectric determines the Polarization of the capacitor, so that when voltage is applied, the oxide goes from a non-polarized state to a polarized one.

Once the voltage is applied, there is a reaction between the tantalum pentoxide dielectric and the electrolyte that creates an electric field, which produces a capacitor charge. This charge increases with the applied voltage until the charge on the Tantalum capacitor is equal to the applied voltage. This is called the "knee" voltage and it is the point at which the dielectric saturates and the capacitor ceases to increase in capacitance. This is the operating point of the capacitor.

The M39003/01-7203H has a low value of leakage current (Ileak) which is extremely important to maintain. High Ileak values can cause loss of charge which can lead to instability and ultimately, failure, in capacitive circuits. This capacitor also has a very low ESR (Equivalent Series Resistance) and high capacitance density.

As can be seen, the M39003/01-7203H is an extremely versatile and advantageous type of capacitor for use in various electronic applications. The fact that it is non-polarized and has a low ILeak and ESR makes it an ideal choice for high frequency and high power applications.

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