LAK2D471MELZ40

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:	0.866" Dia (22.00mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.56A @ 10kHz
Ripple Current @ Low Frequency:	1.3A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	LAK
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	200V
Tolerance:	±20%
Capacitance:	470µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are high capacitance, solid electrolyte capacitors with a great deal of potential for various types of applications. It is the most common type of capacitor and is used in almost every large-scale electrical device. The most popular form of capacitor contains an aluminum oxide or aluminum electrolyte structure with two metal plates, which act as the positive and negative electrodes.The symbol of an aluminum electrolytic capacitor is LAK2D471MELZ40 and it is used for high-voltage, low-ESR applications, such as for power supplies, automotive, medical, and telecommunication equipment. The construction and composition of an aluminum electrolytic capacitor are designed to allow it to withstand large amounts of energy in rapid pulses, such as in a power surge.

Construction of Aluminum Electrolytic Capacitor

The most common aluminum electrolytic capacitor is constructed from a series of layers, including a solid electrolyte core, two metalized electrodes (an anode and a cathode), and a film dielectric. The anode of the capacitor consists of an aluminum foil coated with an oxide layer, while the cathode is formed by a material on which electrons will be accepted. The dielectric, or insulating layer, may be composed of a film made from a wide variety of materials, including aluminum, poly Prolylene terephthalate (PET), and polyethylene naphthalate (PEN). The solid electrolyte layer is usually a layer of an organic material, such as Polyvinylidene fluoride (PVDF) or Acrylonitrile butadiene styrene (ABS).

Working Principle of Aluminum Electrolytic Capacitor

When the power is applied to the aluminum electrolytic capacitor, the positive and negative electrodes are placed in contact with the electrolytic layer. The electrolytic layer will then enable an electric current, which causes the anodic oxidation of the aluminum plate. This oxidation process creates a gate of electrons, which is capable of accepting a limited amount of charge, which in turn creates a voltage potential between the positive and the negative plates. As the current is applied to the capacitor, the anode opens up and increases the capacitance of the capacitor. The capacitor can now store electrical energy until it is used to do work.With its ability to store a great amount of energy in a small amount of space, aluminum electrolytic capacitors are used widely in a variety of applications. It can be used in switching power supplies, AC adapter circuits, RF amplifiers, audio circuits and amplifiers, and even in computers. The most popular use of aluminum electrolytic capacitors is in the production of digital electronics, where they are used in the switching circuits of computers, as well as in cell phones.

Advantages of Aluminum Electrolytic Capacitor

One of the primary benefits of aluminum electrolytic capacitor is its relatively small size and high energy storage capacity. Other advantages include high operating voltage, low internal impedance, and good temperature stability. Furthermore, aluminum electrolytic capacitors have a much longer operational life than other types of capacitors, which makes them ideal for long-term applications. Additionally, aluminum electrolytic capacitors are able to work under high frequencies, which allows them to be used in applications such as audio amplifiers and digital filters.

Conclusion

Aluminum electrolytic capacitors are a popular type of capacitor that can be used in a variety of applications due to its small size, high energy storage capacity, high operating voltage, low internal impedance, and good temperature stability. Its ability to operate under high frequencies makes it a great choice for audio amplifiers and digital filters. It is also highly reliable, with a long operational life, making it an ideal choice for long-term applications. The symbol for an aluminum electrolytic capacitor is LAK2D471MELZ40.

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