ESMQ630ELL221MJ16S

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Aluminum Electrolytic Capacitors coil up the energy in the form of electric current when the exterior circuit is opened. They are also widely used in impedance matching and high-frequency circuits and are also convenient for universal AC input in high voltage power conditions. ESMQ630ELL221MJ16S belongs to radial lead aluminum electrolytic capacitors and they have wide applications in various electric equipments. In this article, we will discuss the application field and working principle of ESMQ630ELL221MJ16S.

Application Field:

The ESMQ630ELL221MJ16S capacitor is a general-purpose capacitor widely used in various electric equipments. It is suitable for a wide range of applications such as audio frequency and radio frequency circuits, electromagnetic interference filters, power supply filters, differential signal lines, decoupling circuits, power purification circuits, and various balancing circuits. In addition, the ESMQ630ELL221MJ16S can be used in DC electronic devices that require stable operation or uninterrupted power supply. This is because the capacitor has a large ripple current capacity, low internal resistance and wide operating temperature range.

Working Principle:

The ESMQ630ELL221MJ16S is a polarized aluminum electrolytic capacitor. It is composed of two electrodes and two electrolytes, connected by a conductive oxide layer. Electrolytes are the medium for storage and release of energy and act as a kind of insulation between electrodes. The oxide layer of the capacitor is formed inside the electrolyte by chemical reaction, and the ability of charge-exchange between the electrodes is produced by this oxide layer. When the capacitor is charged up, the oxidation reaction at the anode of the capacitor generates protons (H+) and electrons (e-) which are released into the electrolyte. The protons move to the cathode, while the electrons move around the circuit. When the capacitor is discharged, the reverse oxidation reaction at the cathode produces electrons and protons, while the electrons move to the anode and the protons are released to the circuit.

The ESMQ630ELL221MJ16S capacitor is charged and discharged by DC power supply. During charging, the voltage at the capacitor increases gradually, and when charged to the rated working voltage "Un", the capacitor can keep its electrical state unchanged for a long time. During discharging, the opposite reaction occurs and the charge state of the capacitor decreases accordingly. The time for charging and discharging varies depending on the load, size, and characteristic of the capacitor.

Conclusion:

The ESMQ630ELL221MJ16S is a type of aluminum electrolytic capacitor, which can be used in wide range of electric equipments, such as audio frequency circuits, radio frequency circuits, power supply filters, differential signal lines, and decoupling circuits. It has a large ripple current capacity, low internal resistance and wide operating temperature range. When the capacitor is charged or discharged, the oxidation reaction and reverse oxidation reaction at the electrodes generates or releases electrons and protons, so that the capacitor can store and release energy respectively.

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