M39003/01-3118H

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Tantalum capacitors are an indispensable component of electronic equipment and are important components that affect the electrical performance and reliability of electronic systems. The M39003/01-3118H is an Axial-Leaded Chip Aluminum Electrolytic Capacitor tantalum capacitor. It is mainly used in the electromagnetic interference shielding, bypass, decoupling, low frequency filtering, and energy storage of the pulsed power supply fields. It is also widely used in battery-driven systems, electronic capabilities or timing circuits.

M39003/01-3118H\'s casing is made of aluminum and it has two leads for electrical connection. The leads are called "terminal" because when the device is used in an electronic circuit, the two leads connect to a voltage source and the component becomes a part of the "circuit". Since it is made of an electrolyte, it is classified as an electrolytic capacitor.

The M39003/01-3118H tantalum capacitor is composed of a tantalum anode and a double-layer oxide film cathode. It is a film capacitor with a very high capacitance. The dielectric of this tantalum capacitor is one of the two types of double layers: the Ta2O5 dielectric and the MnO2 dielectric. The Ta2O5 dielectric is a complex oxide of tantalum and oxygen, and the MnO2 dielectric is an oxide of manganese.

Compared with other capacitors, the M39003/01-3118H tantalum capacitor has a number of advantages. In terms of electrical performance, its voltage coefficient is low and the energetic capacity and the energy storage function are excellent. In addition, it has high reliability, long-term stability and high temperature endurance. Moreover, it is also characterized by high insulation resistance and large capacitance.

The working principle of the M39003/01-3118H can be described as follows: when the AC voltage is connected to it, an electric field is generated, and the electric field acts on the double-layer structure of this capacitor. Since the capacitor is in direct contact with the AC voltage, an AC charge is generated on the surface of the film. Strong electric field will be generated between the capacitor electrodes and the film, which will induce the current between them, forming an electric field between them, thus forming an electrolytic capacitor. Through the electric field, charges go back and forth between capacitor plates, causing the capacitor to accumulate electrical energy.

In summary, the M39003/01-3118H tantalum capacitor is a kind of high-performance capacitor. It is commonly used in the electromagnetic interference shielding, bypass, decoupling, low frequency filtering, and energy storage of the pulsed power supply fields. Apart from the advantages of high reliability, long-term stability and high temperature endurance, it also has a good capacitance and low voltage coefficient. Its working principle is that the two double-layer structure of the capacitor are affected by the external AC voltage field, causing an AC charge to be generated, thus forming an electrolytic capacitor.

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