LGR2D821MELC30

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.260" (32.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	3A @ 50kHz
Ripple Current @ Low Frequency:	2A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LGR
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	10000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	200V
Tolerance:	±20%
Capacitance:	820µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

LGR2D821MELC30 Application Field and Working PrincipleAluminum electrolytic capacitors are an indispensable part of the connection between high-frequency signal circuits and the power supply, and have become an indispensable device in the field of signal transmission. The LGR2D821MELC30 is a new type of aluminum electrolytic capacitor with excellent performance characteristics, which has a wide range of application fields. In this article, we will explain its application field and basic working principle.

Application Field

The LGR2D821MELC30 aluminum electrolytic capacitor is mainly used to provide decoupling, filtering and energy storage in high frequency signal circuits. It has a wide range of application fields, such as power supplies, high frequency switching mode power supplies, high frequency filter circuits, data transmission, signal reception and circuit stability control.The LGR2D821MELC30 aluminum electrolytic capacitor has a number of advantages over other types of capacitors. For example, it has a relatively high capacity in comparison to its size, making it ideal for applications where space is limited. It also has a low equivalent series resistance (ESR), which means it can be used to improve the stability and efficiency of a circuit. Finally, it’s temperature-resistant, making it suitable for use in high-temperature environments.

Working Principle

The LGR2D821MELC30 aluminum electrolytic capacitor consists of two separate components, an anode and a cathode. The anode is made of aluminum foil, while the cathode is composed of an electrolyte. When the two components are connected to a power source, an electric field is created between them.The electric field causes ions from the electrolyte to be attracted to the anode, forming a layer of electrons on its surface. This layer of electrons is what stores energy in the capacitor. As current flows from the power source to the anode, the energy stored in the capacitor is transferred to the anode, charging it up.When the capacitor is fully charged, the capacitor will act as an open circuit, not passing any current. When the capacitor is discharged, the electric field reverses, causing electrons to be attracted from the anode and leaving it negatively charged.

Conclusion

In conclusion, the LGR2D821MELC30 aluminum electrolytic capacitor is a versatile and reliable device with a wide range of applications. Its low equivalent series resistance and temperature-resistance make it an excellent choice for high frequency circuits, while its high capacity and small size make it suitable for use in places with limited space. The working principle of the LGR2D821MELC30 is relatively straightforward, and can be used to understand more complex capacitor systems.

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