UVZ0J682MHH

Aluminum Electrolytic Capacitors

UVZ0J682MHH, or Aluminum Electrolytic Capacitors, are commonly used capacitors in electrical and electronic industries due to their relatively large capacitance values. They are often used for high frequency applications, such as coupling, bypassing, filtering, and decoupling. Essentially, Aluminum Electrolytic Capacitors are highly reliable, cost effective, and good for high frequency uses.

Application Field

Aluminum Electrolytic Capacitors are frequently used in a wide variety of industries, including computer and IT, consumer electronics, telecommunications, automotive, renewable energy, aerospace, medical, and defense. For instance, they may be used in the following scenarios:

• Digital cameras, phones, laptops, and tablets for decoupling and high frequency filtering.
• Automotive for EMI, EMC, and clock applications.
• Space and aircraft for supplies for DC-DC converters, antenna systems, and static control.
• Military electronic systems for coupling, AC voltage regulator, and microwave power amplifiers.

Working Principle

The basic construction of Aluminum Electrolytic Capacitors consists of two electrodes, the anode and the cathode, which are separated by an electrolyte and a dielectric layer. The anode is made up of aluminum foil with an oxide layer which acts as the dielectric layer. The cathode consists of aluminum foil with the electrolyte making the contact between the anode and the cathode. When AC current is applied to the capacitor, the dielectric properties of the oxide layer allow the capacitor to store charge which is the direct result of the electric field between the anode and the cathode. The capacitor then discharges, and this phenomenon is repeated at each half cycle of the AC signal. This process of charging and discharging will continue as long as the AC signal continues. Therefore, it is important to note that Aluminum Electrolytic Capacitors have a finite life span due to the nature of the material used to construct them.

Depending on the application, Aluminum Electrolytic Capacitors can come in a variety of shapes and sizes including radial, axial, snap-in, and screw terminal. In addition, they have different capacitance values, leakage current, ESR, and ripple current ratings.

Conclusion

UVZ0J682MHH, or Aluminum Electrolytic Capacitors, are common capacitors used in various industries due to their cost efficiency, high capacitance, and high frequency applications. In general, they are composed of two electrodes, an electrolyte, and a dielectric layer. The process of charging and discharging happens when an AC signal is applied and continues until the capacitor has reached its end of life.