LGN2D391MELY30 Allicdata Electronics
Allicdata Part #:

493-8290-ND

Manufacturer Part#:

LGN2D391MELY30

Price: $ 1.87
Product Category:

Capacitors

Manufacturer: Nichicon
Short Description: CAP ALUM 390UF 20% 200V SNAP
More Detail: 390µF 200V Aluminum Electrolytic Capacitors Radial...
DataSheet: LGN2D391MELY30 datasheetLGN2D391MELY30 Datasheet/PDF
Quantity: 39
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
1 +: $ 1.70100
10 +: $ 1.37025
100 +: $ 1.06870
500 +: $ 0.79468
1000 +: $ 0.73987
2500 +: $ 0.71247
5000 +: $ 0.70986
Stock 39Can Ship Immediately
$ 1.87
Specifications
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: 0.787" Dia (20.00mm)
Lead Spacing: 0.394" (10.00mm)
Ripple Current @ High Frequency: 2.01A @ 50kHz
Ripple Current @ Low Frequency: 1.34A @ 120Hz
Applications: General Purpose
Ratings: --
Series: LGN
Operating Temperature: -40°C ~ 105°C
Lifetime @ Temp.: 3000 Hrs @ 105°C
ESR (Equivalent Series Resistance): --
Voltage - Rated: 200V
Tolerance: ±20%
Capacitance: 390µF
Moisture Sensitivity Level (MSL): --
Part Status: Active
Lead Free Status / RoHS Status: --
Packaging: Bulk 
Description

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Aluminum electrolytic capacitors are widely used in an array of industries because of their high capacitance values, low cost, small size, and low voltage applications. The LGN2D391MELY30, in particular, is utilized in many applications due to its capability of handling high capacitance values, low internal heat generation, and its capability of filtering out signal noise.

Application Fields

The LGN2D391MELY30 is primarily used for interference suppress in automotive onboard systems and consumer electronic devices. It can also be used for de-noising and decoupling purposes for DC-DC converters, digital resources in computer peripheral cards, mobile phones, and other portable electronic products. The LGN2D391MELY30 is also highly suitable for a wide range of low-voltage power supply applications such as televisions, DVD players, set-top boxes, satellite receivers, and VCRs.

It can also be employed in an end-of-line testing situation, as it has a high ripple current rating and thus can absorb serious current inrush during an L-G testing situation. Furthermore, this capacitor is capable of demonstrated excellent temperature characteristics and long life, making it an ideal choice for a variety of industrial electronics products, motor control applications and LED lighting applications.

Working Principle

Aluminum electrolytic capacitors are polarized capacitors that are constructed by immersing two aluminum foils, anode and cathode, in an electrolyte. The anode foil is etched to create a large number of parallel plates that increase the capacitor’s surface area. The relatively large surface area allows for more potential charges. During the manufacturing process, a thin oxide layer is formed at the surface of the anode foil that serves as an electrolyte’s dielectric. The dielectric of the capacitor is what determines its operating voltage.

The cathode foil in aluminum electrolytic capacitors is not etched. The anode and cathode are then joined using a separator, typically a paper, that increases the thickness between the two foils and thus, increasing the dielectric strength. Both anode and cathode foils are then rolled to form a cylinder, which is sealed at both ends with a metalized cover and the liquid is refilled into the capacitor. The element is then dried and filled with the electrolyte.

The construction of aluminum electrolytic capacitors allow them to hold higher capacitance values compared to other types of capacitors. The capacitor works when a voltage is applied between its two terminals, establishing an electric field across its dielectric material. The higher the applied voltage, the more potential charges can be stored within the capacitor. The capacitance value basically determines the amount of potential charge that a capacitor can store.

The dielectric constant of aluminum electrolytic capacitors is also relatively large due to the use of an aluminum oxide layer as the dielectric. This layer allows for a higher-than-normal breakdown voltage between the electrodes, and thus, the higher capacitance value. As compared to other capacitor types, aluminum electrolytic capacitors have the highest energy density (amount of energy stored per unit of volume).

In conclusion, the LGN2D391MELY30 aluminum electrolytic capacitor is a great choice for a wide variety of low voltage power supply systems. It offers outstanding temperature characteristics and long life, providing reliable performance while possessing the capability of filtering out signal noise. This all-purpose aluminum electrolytic capacitor is used in a variety of electronics products and motors control systems due to its high capacitance values and low internal heat generation, greatly expanding the capabilities of modern devices.

The specific data is subject to PDF, and the above content is for reference

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