ALF40C471EB250

Ratings:	--
Package / Case:	Radial, Can - Snap-In - 4 Lead
Mounting Type:	Through Hole, Press-Fit
Surface Mount Land Size:	--
Height - Seated (Max):	1.260" (32.00mm)
Size / Dimension:	1.575" Dia (40.00mm)
Lead Spacing:	0.886" (22.50mm)
Impedance:	193 mOhms
Ripple Current @ High Frequency:	3.49A @ 10kHz
Ripple Current @ Low Frequency:	2.59A @ 100Hz
Applications:	General Purpose
Series:	ALF40
Polarization:	Polar
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	258 mOhm @ 100Hz
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	470µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction
The ALF40C471EB250 may be classified as an aluminum electrolytic capacitor. As a component of such capacitors, it is composed of two layers of aluminum material, one of which is etched with circuitry and electrolyte is placed between them. This creates an electrical barrier between the two layers, ensuring that no current can pass between them. It is a highly reliable electronic component, used in many applications, including signal conditioning, electromagnetic interference (EMI) reduction, and AC/DC power conversion.Application Field
The ALF40C471EB250 is most commonly used in switch-mode power supplies (SMPS) like voltage converters, inrush current limiters, harmonic filters, and load balancing circuits. It is also used in dc to dc converters, active filters, converters, and UPS systems. The capacitor is also reliable in automotive, industrial, and consumer applications, in the area of high power audio designs and in lighting applications.Work Principle
The ALF40C471EB250 relies on its construction to produce the electrical effect that makes it useful in a variety of applications. The electrolyte between the two layers of aluminum allows electronic current to be exchanged between them. The capacitor stores and releases the current according to changes in the voltage across its terminals, which creates the resultant effect. When the voltage across the terminals goes to a higher level than the resting voltage, the components materials store the incoming current and create an accumulator, which causes the current to last longer at the terminals. Conversely, when the voltage falls, the capacitor releases its stored energy as a multi-phase type of current. This allows the capacitor to create consistent levels of voltage, as the change in voltage is temporarily absorbed by the capacitor, which maintains consistent voltages at its terminals.Conclusion
In conclusion, the ALF40C471EB250 aluminum electrolytic capacitor is used in a variety of applications from the automotive to consumer electronic markets. Its ability to store and release electrical energy makes it a reliable component for power conversion, as well as for smoothing out voltage changes in a variety of applications. Its two layers of aluminum and the electrolyte permitted between them allow current to pass between the two layers and create the resultant effect.

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