ALF20C471ED400

Ratings:	--
Package / Case:	Radial, Can - Snap-In - 4 Lead
Mounting Type:	Through Hole, Press-Fit
Surface Mount Land Size:	--
Height - Seated (Max):	1.654" (42.00mm)
Size / Dimension:	1.575" Dia (40.00mm)
Lead Spacing:	0.886" (22.50mm)
Impedance:	156 mOhms
Ripple Current @ High Frequency:	5.21A @ 10kHz
Ripple Current @ Low Frequency:	2.74A @ 100Hz
Applications:	General Purpose
Series:	ALF20
Polarization:	Polar
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	230 mOhm @ 100Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	470µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of electronic component that consists of two aluminum electrodes, separated by paper or plastic, that are immersed in an electrolyte. They are capable of storing electrical charge and releasing it when needed, making them very useful for a variety of applications. One such application is the ALF20C471ED400, an aluminum electrolytic capacitor with a working voltage of 400 volts and a maximum capacitance of 470 uF.The ALF20C471ED400 is an ideal solution for applications that require high capacitance but have a low operating voltage. It can be used in high voltage power supplies, for filtering, or for energy storage. It is also suitable for use in power electronics, where it can be used to rectify and filter AC signals, as well as providing current for an inductive, resistive, or capacitive load. Additionally, it can be used for motor starting, or for pulse applications in communication equipment.The working principle of the ALF20C471ED400 is based on a phenomenon known as the “dielectric effect”. When the capacitor is not being used, its two electrodes are insulated from one another by a thin film of insulating material known as the dielectric. The dielectric prevents electric current from flowing between the plates, allowing them to act as a form of “storage tank” for electricity.When a voltage source is applied to the capacitor, the electric field between the two electrodes increases, causing the dielectric to break down. As this breakdown occurs, electric current flows through the capacitor, creating an electric field. This electric field then causes both the plates to hold an electric charge. When the voltage source is removed, the electric field collapses and the electric charges on the plates are re-distributed, reversing the process and returning the capacitor to its original state.The capacitance of the ALF20C471ED400 is determined by its physical dimensions. The larger the area of the two electrodes and the closer they are to one another, the higher the capacitance of the capacitor. It is important to note, however, that the breakdown voltage of the ALF20C471ED400 increases as its capacitance increases. This is because the strength of the electric field is proportional to the capacitor’s capacitance.In summary, the ALF20C471ED400 is an ideal solution for applications that require high capacitances but have a low operating voltage. It works on the principle of the dielectric effect, which allows it to store electric charge and release it when needed. Its capacitance is determined by its physical dimensions, and its breakdown voltage increases as its capacitance increases. With its versatile performance and reliable operation, the ALF20C471ED400 is an excellent choice for a variety of applications.

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