LQS2G391MELB40

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:	1.181" Dia (30.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.859A @ 50kHz
Ripple Current @ Low Frequency:	1.55A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LQS
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	390µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic CapacitorsAluminum electrolytic capacitors are an important part of the electrical components used to manufacture modern electronics. They are also called ‘aluminum capacitors’ or ‘polarized capacitors’. Aluminum electrolytic capacitors are constructed using an anode, an electrolyte, and a dielectric. They are ideal for storing energy, regulating electric current, and squeezing the most out of power sources.The LQS2G391MELB40 is an aluminum electrolytic capacitor designed and produced by Panasonic. It has a wide range of applications across several industries, including automotive, computer, industrial, and medical. It features a DC voltage rating of 250 VDC, a capacitance value of 390 µF, and a maximum ripple current of 0.35A.The LQS2G391MELB40 has an operating temperature range of -25 degrees to 85 degrees Celsius, making it suitable for a variety of environmental conditions. It features automated soldering and has a shelf life of 2,000 hours at 105 degrees Celsius. It is also UL and CCC approved, making it a safe and reliable choice for electronics applications.The working principle of aluminum electrolytic capacitors is based on Faraday’s Law of electrical induction. The capacitor has a dielectric layer of insulating material between two conducting plates, with an electrolyte filling the space between the plates. This electrolyte allows electric charges to pass freely between the plates, while the insulating material blocks direct contact between the plates.When current is applied to the capacitor, the charges are drawn to one plate of the capacitor and an electric field is created. The electric field applies an equal and opposite force to the opposite plate, thus generating a voltage potential. The voltage potential stays consistent until the capacitor is fully charged, and then it begins to discharge. This process can be repeated as long as the capacitor is in use.Aluminum electrolytic capacitors, such as the LQS2G391MELB40, are designed to be robust and reliable. They are also easy to mount and are used in a wide range of electronic sensing, power conditioning, audio/video, and automotive applications.The LQS2G391MELB40 is a reliable and versatile aluminum electrolytic capacitor that is suitable for a variety of applications. Its wide operating temperature range allows it to handle extreme conditions, while its UL and CCC approval allows it to comply with safety requirements. It is an ideal choice for automotive, computer, industrial, and medical applications.

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