Polarization:	Polar
Package / Case:	Radial, Can - 4 Lead
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	2.441" (62.00mm)
Size / Dimension:	1.575" Dia (40.00mm)
Lead Spacing:	0.886" (22.50mm)
Ripple Current @ High Frequency:	5.334A @ 10kHz
Ripple Current @ Low Frequency:	3.81A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	HFG
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	420V
Tolerance:	±20%
Capacitance:	820µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor, also known as an aluminum membrane capacitor, is a capacitor that has a central anode of aluminum foil, coated with an electrolytic material, and a porous outer film around it as the cathode. It is most commonly used in electronic devices and circuits. In this article, we will look at the 420HFG820MBN40X60 application field and working principle of aluminum electrolytic capacitors.The 420HFG820MBN40X60 application field of aluminum electrolytic capacitors is quite wide. They are most commonly used in audio systems, instrumentation, power supplies, and communications systems. They are also used in digital cameras, computers, automotive systems, and television receivers. The capacitors can be used in both DC and AC circuits and can be used to store electrical energy, filter, or respond to high frequency signals.The working principle of aluminum electrolytic capacitors is quite simple. They have a thin, porous electrolyte between two foils - one made of aluminum and the other of metal oxide. The metal oxide foil acts as the cathode and the aluminum foil serves as the anode. When voltage is applied, it causes electric current to flow from one foil to the other, creating an electrostatic charge. This is known as the Faraday Effect.When the electric current stops flowing, the electrostatic charge remains and this is what provides electrical energy storage. The capacitance of the capacitor is measured in Farads and is determined by the area of the aluminum foil, the distance between the two foils, and the properties of the electrolyte.The 420HFG820MBN40X60 application field and working principle of aluminum electrolytic capacitors make them ideal for use in a variety of applications where electrical energy storage and filtering are needed. They are particularly useful in power supplies, communication systems, and instrumentation systems because they can withstand the high frequencies and voltages that these types of systems require.The main advantage of aluminum electrolytic capacitors is their high capacitance and low impedance, which make them a popular choice in signal conditioning, power supplies, and audio systems. They also have a longer life than other types of capacitors; however, they are prone to failure due to the presence of moisture in the electrolyte. They must also be protected from overvoltage and short circuits, and care must be taken when handling as they can be sensitive to shock and vibration. However, if properly taken care of, aluminum electrolytic capacitors can provide reliable performance for a long time.

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