LAR2E391MELZ35

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.378" (35.00mm)
Size / Dimension:	0.866" Dia (22.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.95A @ 50kHz
Ripple Current @ Low Frequency:	1.3A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LAR
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	390µF
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 are widely used in a variety of applications due to their high capacitance, low cost, and ease of manufacturing. Aluminum electrolytic capacitors have an anode, a cathode, and a dielectric material, usually an aluminum oxide film, between them.

LAR2E391MELZ35 Application Field and Working Principle

The LAR2E391MELZ35 is a popular aluminum electrolytic capacitor from Panasonic. It is a polarized capacitor with a lead spacing of 2.5mm and a wide operating temperature range from -25 °C to +85 °C. This capacitor is most commonly used in power supplies, DC-DC converters, and high-frequency circuits.The basic principle of operation of the aluminum electrolytic capacitor is similar to that of any other capacitor. It stores electrical energy in the form of an electric field between two metal plates, or electrodes. The electrodes are separated by an electrolytic material, typically an aluminum oxide film. When an electric charge is applied to the capacitor, the electric field causes the electrons to move around the capacitor, creating a capacitance in the process. The capacitance of the capacitor is determined by the size of the electrodes and the type of electrolytic material used.The main difference between an aluminum electrolytic capacitor and a typical capacitor is the dielectric material. A typical capacitor has an insulating material, such as a dielectric, between its two plates. Aluminum electrolytic capacitors have an oxide film instead of an insulating material. This oxide film allows the capacitor to store more energy, making it more efficient than a typical capacitor. The oxide film also helps to prevent degradation of the capacitor over time, as it does not break down as easily as an insulator. The LAR2E391MELZ35 also has a self-healing property, which means that if a short circuit occurs between the electrodes, the oxide film will rapidly reform and the capacitor will resume normal operation. This self-healing property is a major benefit of using the aluminum electrolytic capacitor.The LAR2E391MELZ35 has several advantages over other aluminum electrolytic capacitors, including a high capacitance, low impendence, low ESR (equivalent series resistance), low leakage current, and high temperature range. The capacitor is also RoHS compliant and UL, CE, and TUV certified for safety and quality assurance. The capacitor is also very reliable, with an MTTF (mean time to failure) of 105,000 hours at full load and 25 °C. This means that the LAR2E391MELZ35 is a very reliable choice for long-term applications.In conclusion, the LAR2E391MELZ35 aluminum electrolytic capacitor is a reliable and cost-effective option for power supplies, DC-DC converters, and high-frequency circuits. Its high capacitance and wide temperature range make it a good choice for long-term applications.For more information or to purchase the LAR2E391MELZ35 aluminum electrolytic capacitor, please visit Panasonic\'s website.

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