Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	0.984" Dia (25.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	2.55A @ 50kHz
Ripple Current @ Low Frequency:	1.7A @ 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:	250V
Tolerance:	±20%
Capacitance:	680µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum Electrolytic capacitors are a type of capacitor that use two aluminum foils and an electrolyte as the dielectric material. They are mainly used to block direct current while allowing AC signals to pass. They are used in a variety of applications, from medical and industrial to consumer electronics, automotive, and computers. One type of aluminum electrolytic capacitor is the LGN2E681MELA40, which has a range of characteristics that make it suited to its various applications.

Application Field

The LGN2E681MELA40 aluminum electrolytic capacitor is suited to applications that require a combination of high capacitance and long life, such as power insulation, pulse output circuits, low frequency oscillation, high frequency circuit filtering, and electrical smoothing. It has a wide-temperature range, which is suitable for applications in extreme temperatures. It also has low thermal and electrical loss, which make it ideal for high-performance applications.

Working Principle

The working principle of an aluminum electrolytic capacitor is based on the movement of polarizable ions in an electrolyte solution between two plates. One of the plates is a metal foil that has been anodized and etched with microscopic tunnels, while the other plate is typically aluminum foil. When voltage is applied across the plates, the polarizable ions move toward the anode and form a layer of dielectric material between the anode and the metal foil. This dielectric layer blocks direct current but allows AC signals to pass.The capacitance of the capacitor is determined by the volume of electrolyte solution between the two plates, the distance between the plates, and the material of the plates. The LGN2E681MELA40 capacitor has a very low leakage current due to its specially designed anodized aluminum electrodes. This makes it suitable for high-performance applications that require a high-quality capacitance.

Conclusion

The LGN2E681MELA40 aluminum electrolytic capacitor is a type of capacitor that is suited to a variety of applications, including power insulation, pulse output circuits, low frequency oscillation, high frequency circuit filtering, and electrical smoothing. It has a wide-temperature range, low thermal and electrical loss, and a very low leakage current. This makes it an ideal capacitor for high-performance applications in extreme temperatures.

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