400BXW120MEFR16X40

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	0.630" Dia (16.00mm)
Lead Spacing:	0.295" (7.50mm)
Ripple Current @ High Frequency:	1.935A @ 100kHz
Ripple Current @ Low Frequency:	860mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	BXW
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	12000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	120µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: 400BXW120MEFR16X40 Application Field and Working Principle

Aluminum electrolytic capacitors are electronic components that consist of three basic parts-anode, dielectric, and cathode. They are typically used as energy-storage elements, voltage-dividers, and in transient filters. The 400BXW120MEFR16X40 aluminum electrolytic capacitor is a common part used in a wide range of applications, including power electronics, audio and video systems, automotive, and military systems.In general, aluminum electrolytic capacitors are made up of a roll of aluminum foil mounted on an etched plate, dialectic aluminum oxide film, electrolyte, and two solid electrodes. The anode side of the component is protected from electrolyte by a tantalum impregnated paper and the cathode side has a paper dielectric. When alternating current (AC) is applied to the component, a continuous film of aluminum oxide forms on the anode. This film increases the component\'s electrical resistance since current (AC) is flowing through it. As the component voltage is increased, the film thickness may increase, further increasing the component\'s electrical resistance.When direct current (DC) is applied to the component, the electrolyte in the component serves to suppress the growth of a conducting oxide film. This causes the component to have a decreased electrical resistance compared to when alternating current is applied.The 400BXW120MEFR16X40 aluminum electrolytic capacitor is designed for use in a wide range of applications including audio and video systems, automotive, and military systems. In audio and video systems, it can be used for frequency filtering, signal signal-matching, signal storage and other applications. In automotive applications it can be used for signal signal-matching, voltage regulation and other applications. In military applications it can be used for circuit protection, signal signal-matching and other applications.When applied in audio and video systems, the capacitor provides a means of adjusting audio signals from consumers and amplifies audio signals from professional audio equipment. In automotive applications, the capacitor is used for voltage regulation in order to cope with different voltage levels that may vary due to temperature variations or various fluctuating loads. In military applications, the capacitor provides a means of circuit protection in military systems such as electronic warfare.In order to properly use the 400BXW120MEFR16X40 aluminum electrolytic capacitor, it is important to understand its working principle. This is because improper use of this component can lead to damage and even destruction of the component. The capacitor works on the principle of capacitance due to the dielectric material enclosed between the terminals of the capacitor. Due to this dielectric material, an electrostatic field is created between the two electrodes, which causes an opposite electrostatic force on the two parts. The electrostatic force can be classified as: leakage current and working current.The leakage current is caused by ions generated from the electrolyte that move between the two electrodes. This moves charges from one terminal to the other, resulting in the capacitor discharging. The working current is caused by the electrical field of the capacitor, which is allowed to flow through the dielectric material and the two electrodes, thus creating a capacitance between the two terminals.In conclusion, aluminum electrolytic capacitors, such as the 400BXW120MEFR16X40, are useful in a wide range of applications including power electronics, audio and video systems, automotive, and military systems. It is important to understand their working principle in order to get the best performance out of them.

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