LQSW6391MELB40

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:	2.3023A @ 50kHz
Ripple Current @ Low Frequency:	1.61A @ 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:	420V
Tolerance:	±20%
Capacitance:	390µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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LQSW6391MELB40 Application Field and Working Principle

Aluminum electrolytic capacitors, also known as electrolytic capacitors, must include one or more metallic electrolytes and can be divided into wet electrolytic capacitors and solid electrolytic capacitors. The most common type of electrolytic capacitor in the market is an aluminum electrolytic capacitor. The capacitor is mainly composed of a series of anode and cathode foil, separator, electrolyte, and solid oxide.The LQSW6391MELB40 capacitor series is one type of aluminum electrolytic capacitor. This type of capacitor has a wide application range and can be used for various electronic and electrical applications, such as timer circuits, voltage stabilization, oscillator circuits, power supply circuits and buffer circuits.LQSW6391MELB40 aluminum electrolytic capacitors are mainly used for filtering, decoupling, interference suppression, smoothing and other purposes in the circuit. This type of capacitor has a large capacity, which can store and release a large amount of electricity. Moreover, it has a relatively low capacitance tolerance, high precision and good long-term stability. In addition, it has the characteristics of low price and reliability, so it is widely used in many electronic circuits.The inner structure of LQSW6391MELB40 aluminum electrolyte capacitor mainly consists of an anode aluminum foil and a cathode electrolyte. The anode aluminum foil is made of aluminum foil with electrolytic corundum absorption on the surface, and it is the main charge site. The cathode consists of an electrolytic solution immersed in a porous material, generally a sintered material.The working principle of LQSW6391MELB40 capacitor is mainly based on the laws of electrochemistry, which is the process of charge and discharge. When the capacitor is charged, the electric pressure drives positive ions to move to the anode and negative ions to the cathode, forming an electrostatic field between the anode and the cathode. When the current passes through the capacitor, the capacitance value decreases as the capacitor is discharged.In summary, LQSW6391MELB40 aluminum electrolyte capacitors are useful components in many electronic circuits. They have the characteristics of high precision, excellent long-term stability and low price, so they are widely used in various electronic and electrical applications.

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