UVZ2A221MHH

Operating Temperature:	-55°C ~ 105°C
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.063" (27.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ Low Frequency:	440mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	UVZ
Lifetime @ Temp.:	1000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most widely used types of capacitors in electronic circuits. They are widely used for power conditioning applications, such as power factor correction and harmonic filtering, as well as other specialized applications, including dc-dc converters, automotive electronics, and medical equipment. This type of capacitor is constructed using two aluminum foils separated by a thin layer of an insulating material, typically a dielectric oxide film, and filled with an electrolyte solution, usually an ammonia solution. Aluminum electrolytic capacitors, particularly those with surface-mount technology, are lightweight, low profile, and efficient, making them some of the most popular choices for electronic circuits today.The UVZ2A221MHH is a type of aluminum electrolytic capacitor that is designed specifically for power factor correction applications. This particular type of capacitor features extremely high ripple current ratings and a long service life when utilized in this type of application. It is constructed from a combination of two aluminum foils and a non-solid electrolyte. The condition of the capacitance is maintained over the whole temperature range of normal applications and it features a high ripple current rate of 2.6A/μF.To understand the working principle of an aluminum electrolytic capacitor, it is important to first understand the basic principles of capacitors in general. A capacitor is a device that stores electrical energy by creating a separation between two plates using a dielectric material. When a voltage is applied across the plates, an electric field is created, which attracts and stores electrical charge. This stored energy can then be used as a source of power for different types of electrical circuits. In terms of aluminum electrolytic capacitors, the plates are created using two layers of aluminum foil. The dielectric material is a thin layer of an insulating material, usually an oxide film, which separates the two aluminum plates. The dielectric material forms a barrier between the two plates, which prevents any electrical charge from passing from one plate to the other. The electrolyte is a liquid that is applied between the two plates and is used to fill the gap between the two plates, allowing for better performance of the capacitor.The way that an aluminum electrolytic capacitor works is by creating an electric field when a voltage is applied across the plates. The electric field creates polarization in the dielectric material, causing electrons to accumulate on one plate and depletion of electrons on the other plate. This creates a net positive charge on one plate and a net negative charge on the other plate, which creates an electric field between the two plates. This electric field can then be used to store energy which can then be discharged when a voltage is removed.The UVZ2A221MHH specifically is designed for power factor correction applications, and offers extremely high ripple current ratings and a long service life. This is due to its high ripple current rating of 2.6A/μF and its ability to maintain its capacitance over the whole temperature range of normal applications. When utilized in a power factor correction application, the UVZ2A221MHH is able to reduce harmonics, reduce reactive powers, provide more stable power, and improve energy efficiency, among other benefits.In conclusion, UVZ2A221MHH is a type of aluminum electrolytic capacitor that is specifically designed for power factor correction applications. It has an high ripple current rating of 2.6A/μF and can maintain its capacitance over the whole temperature range of normal applications. This makes it ideal for use in power factor correction, as it can reduce harmonics, reduce reactive powers, provide more stable power, and improve energy efficiency.

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