LGUW6391MELC

Series:	LGU
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	390µF
Tolerance:	±20%
Voltage - Rated:	420V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	3000 Hrs @ 105°C
Operating Temperature:	-25°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	1.55A @ 120Hz
Ripple Current @ High Frequency:	2.2165A @ 50kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Height - Seated (Max):	1.575" (40.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In

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Aluminum Electrolytic Capacitors: LGUW6391MELC Application Field and Working Principle

Aluminum electrolytic capacitors are widely used and are capable of storing a substantial amount of charge. They are used in a variety of applications including power supplies, motor drives, LCD display screens, and switching regulators. The LGUW6391MELC is a versatile aluminum electrolytic capacitor that is suitable for a range of applications. In this article, we will discuss the application field and working principle of the LGUW6391MELC.

Application Field of the LGUW6391MELC

The LGUW6391MELC is a highly reliable aluminum electrolytic capacitor specifically designed for use in a variety of industries. It is a screw terminal aluminum capacitor with high power capability, suitable for a wide range of applications. It is particularly useful in automotive, industrial, and transportation applications due to its low ESR (equivalent series resistance) and high ripple current. Its robust construction and diverse range of capacitances make it suitable for a range of DC power supply needs.The LGUW6391MELC is also suitable for use in inverter and high-frequency circuit switching applications. Its exceptional characteristics make it well-suited for power transmission devices, motor drives, and UPS (uninterruptible power supply) systems. In addition, its versatile design provides excellent temperature characteristics, resulting in improved reliability and long life.

Working Principle of the LGUW6391MELC

The LGUW6391MELC is an aluminum electrolytic type capacitor. These types of capacitors contain a conductive gel electrolyte and two conductive aluminum electrodes, one polarized and one metal layer. When a voltage is applied to the electrodes, electrons are attracted to the positively charged electrode, forming a layer of electrons, or an electric double layer. This double layer is an accumulation of charge that is stored between the conductive lamps and the metal layer. This stored electrical charge gradually dissipates until it is completely gone.The electrolyte component of an aluminum electrolytic capacitor is responsible for transferring electrical charge between the two aluminum electrodes. The electrolyte also slows down the rate at which the charge dissipates. As the voltage is applied, the polarizing layer of the aluminum electrode reacts to the voltage and an accumulation of electrons forms inside the dielectric layer. This accumulation of electrons creates an electric double layer between the two aluminum electrodes and the stored charge slowly dissipates over time.

Conclusion

The LGUW6391MELC is a versatile aluminum electrolytic capacitor that is suitable for a wide range of applications, from automotive, industrial, and transportation applications to inverter and high-frequency circuit switching applications. With its low ESR and high ripple current, it is an excellent choice for power supply applications. The working principle of the LGUW6391MELC can be summed up as the accumulation of electrons between the two aluminum electrodes combined with the electrolyte to slow down the rate of charge dissipating from the capacitor.

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