B43888F5226M000

Operating Temperature:	--
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.866" (22.00mm)
Size / Dimension:	0.709" Dia (18.00mm)
Lead Spacing:	0.295" (7.50mm)
Ripple Current @ High Frequency:	500mA @ 100kHz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	B43888
Lifetime @ Temp.:	--
ESR (Equivalent Series Resistance):	18.1 Ohm @ 120Hz
Voltage - Rated:	450V
Tolerance:	±20%
Capacitance:	22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: Introduction to B43888F5226M000

Aluminum electrolytic capacitors are an essential type of electronic component used to store electrical energy, and they are highly versatile in terms of their application field and working principle. The B43888F5226M000 capacitor is a particularly widely used aluminum electrolytic capacitor, and this article will discuss its features and usage.

Types of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors can be broadly classified into two main types, according to their construction: electrolytic aluminum oxide capacitors, and solid aluminum electrolytic capacitors. Electrolytic aluminum oxide capacitors are the most common type and feature a metallic layer of aluminum oxide as the electrical dielectric material. This results in extremely high capacitance for a given volume, however this dielectric term is also prone to loss through electrochemical reaction and has a much lower maximum operating voltage compared to solid aluminum electrolytic capacitors.Solid aluminum electrolytic capacitors, on the other hand, are made using a solid aluminum dielectric layer, which results in higher operating temperature and voltage rating compared to oxide capacitors. However, this type of capacitor has a much lower capacitance for a given size and cost than their oxide counterparts.

B43888F5226M000 Electrolytic Aluminum Oxide Capacitor

The B43888F5226M000 capacitor is an electrolytic aluminum oxide capacitor from the B4 series, produced by manufacturer KEMET. This capacitor features a molded plastic case with radial leads, and its rated capacitance is 4700µF. It has a rated working voltage of 10V, and a rated ripple current of 1.7A. Its maximum temperature rating is +85°C, and its dielectric strength is 2000VAC/1 second. The B43888F5226M000 capacitor is most commonly used in power supplies and audio-related applications. Its low cost and high capacitance make it a popular choice for these types of applications, where it can be used to filter and store electrical energy.

Working Principle

At the core of all aluminum electrolytic capacitors is an electrostatic charge that is stored between two metal electrodes, separated by an oxide layer. In electrolytic aluminum oxide capacitors such as the B43888F5226M000, the oxide layer acts as a dielectric material, and its electrical properties determine the capacitor\'s capacitance. The working principle behind aluminum electrolytic capacitors is very simple. When an electric current is applied to the electrodes of the capacitor, electrons that are present on the metal surfaces of the electrodes are attracted to the positive charge on the other electrode. This creates a build up of electric charge and forms an electrostatic force between the two electrodes. This electrostatic force is what creates the capacitor\'s capacitance.

Conclusion

The B43888F5226M000 capacitor is a versatile and widely used aluminum electrolytic capacitor, primarily used in power supplies and audio applications. As an aluminum oxide capacitor, it has a high capacitance, low leakage, and high temperature rating, making it an effective choice for these types of applications. At its core, the operating principle of aluminum electrolytic capacitors is based on the electrostatic forces that are formed between two metal electrodes separated by a dielectric layer. By applying an external electric current to the electrodes, electrons can be attracted to the opposite electrode, thus forming the capacitor\'s electrostatic charge.

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