UVK1J220MDD1TA

Series:	UVK
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	22µF
Tolerance:	±20%
Voltage - Rated:	63V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	100mA @ 120Hz
Ripple Current @ High Frequency:	200mA @ 10kHz
Lead Spacing:	0.197" (5.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.492" (12.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are polarized capacitors that use both the aluminum oxide layer formed on the anode as well as the conductive liquid electrolyte as dielectrics. These capacitors usually have a very good frequency response and are able to take relatively large amounts of current relatively quickly. As such, they are often used in low-frequency, high-power applications.The UVK1J220MDD1TA capacitor is an example of an aluminum electrolytic capacitor. It is a small surface-mount capacitor that has a capacitance of 220μF and a rated voltage of 25V. It is specifically designed for use in low-ESR applications, such as switching supplies, decoupling applications, and smoothing circuits.To understand how this capacitor works, it is necessary to understand the basic principles of aluminum electrolytic capacitors. When an electrical potential is applied to the positive and negative terminals of the capacitor, electrons move from the negative terminal to the positive terminal – creating a charge across the two terminals and a current between them. This current flows through the copper foil that makes up the anode, and forms a “reverse electrolysis” of the aluminum oxide layer on top of the foil. This layer of aluminum oxide acts as a dielectric, allowing for the storage of the charge between the two terminals.The main advantage of aluminum electrolytic capacitors compared to other types of capacitors is their high capacitance-to-volume ratio. This means that, for the same volume, aluminum electrolytic capacitors can store more charge than other types of capacitors. This makes them ideal for applications where large amounts of current need to be stored in a small amount of space, such as in switching supplies, decoupling circuits, and smoothing circuits. Additionally, they are relatively cheap to manufacture.The UVK1J220MDD1TA capacitor is specifically designed for use in low-ESR applications, where the assumption is that the ESR (Equivalent Series Resistance) of the capacitor is low. Low ESR means that the capacitor is able to provide current quickly, without creating much additional thermal energy as heat. This makes them ideal for applications such as switching power supplies, decoupling circuits, and smoothing circuits.Overall, the UVK1J220MDD1TA aluminum electrolytic capacitor is a small surface-mount capacitor with a comparatively large capacitance. It is specifically designed for use in low-ESR applications, such as switching supplies, decoupling applications, and smoothing circuits. It offers a high capacitance-to-volume ratio, making it suitable for use in small-space applications. Additionally, it is relatively inexpensive to manufacture, making it a highly cost-effective solution for applications where large amounts of current need to be stored without creating heat or noise.

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