UCL1A221MCL1GS Capacitors

Series:	UCL
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	10V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	300mA @ 120Hz
Ripple Current @ High Frequency:	600mA @ 100kHz
Impedance:	160 mOhms
Lead Spacing:	--
Size / Dimension:	0.248" Dia (6.30mm)
Height - Seated (Max):	0.303" (7.70mm)
Surface Mount Land Size:	0.260" L x 0.260" W (6.60mm x 6.60mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Aluminum Electrolytic Capacitors: UCL1A221MCL1GS Application Field and Working Principle

Aluminum electrolytic capacitors are electronic components that are present as part of many electronic circuits and devices. This type of capacitor is produced by a process that involves the use of electrolyte, an electrolytic material and a metallic contact. It takes advantage of the properties of electrolytes, which under electrochemical action, produce a very thin layer of oxide on its contact with the metallic contact, creating a dielectric medium that allows its capacitor operation.The UCL1A221MCL1GS is an aluminum electrolytic capacitor of 7120 μF, 85°C, 10V and 3x10mm that is dedicated to surface mount applications, ideal for voltage smoothing, energy storage and filtering operations.The UCL1A221MCL1GS is used in the most varied equipment possible: from medium power LED drivers to power supply designs, etc. The UCL1A221MCL1GS are used for the manufacture of alternating current regulators, voltage demultipliers and various other applications. The more complex uses are as filter and / or decoupling/coupling capacitors, support capacitors in HUBs, routers, circuit board capacitors, etc.Also, the UCL1A221MCL1GS can be used in high frequency rectifiers, automobiles, microelectronics, transformer applications, voltage regulators, etc. Thus, aluminum electrolytic capacitors of this size can be normally used in most integrated circuits and digital and analog applications.The working principle of aluminum electrolytic capacitors is based on the following structure: a high oxidizable aluminum electrode (anodic) is formed of aluminum foil with a higher surface mass than the cathode. As this aluminum is in contact with an electrolytic material, it forms an oxide layer on its surface, thus improving its electrical properties. This new electrode and the electrolytic material enhance the quality of the capacitor, increasing its response time, working temperature and stability.The most common electrolyte used in aluminum electrolytic capacitors that encloses the two electrodes is made of ethylene glycol, a mixture of rich and inorganic salt. The electrolyte can also be based on other polar aprotic solvents.The construction of aluminum electrolytic capacitors is based on four components:* Aluminum foil (anody)* Dielectric oxide layer* Separator (polyethylene terephthalate)* ElectrolyteThe aluminum anode together with the oxide layer serves as the positive electrode, while the electrolyte successfully serves as the negative electrode. When a potential is applied to these two electrodes, an electric field is created in the vicinity. This electric field then creates a capacitance or electrical charge that is stored in the capacitor.The dielectric used in aluminum electrolytic capacitors is a thin layer of Al2O3 that forms on the anode side of the capacitor when the anode is submerged in the electrolyte. This layer of Al2O3 is an excellent dielectric with a high dielectric constant and a high breakdown voltage, thus making it an ideal material for use in capacitors.In summary, the UCL1A221MCL1GS is a surface mount aluminium electrolytic capacitor of 7120 μF, 85°C, 10V and 3x10mm for voltage smoothing, energy storage and filtering operations. The UCL1A221MCL1GS can be used in a variety of applications, such as high frequency rectifiers, automobiles, microelectronics, transformer applications, voltage regulators, etc. The working principle of the UCL1A221MCL1GS is based on the use of an aluminum foil (anode), dielectric oxide layer, separator (polyethylene terephthalate) and electrolyte. When a potential is applied to these two electrodes, an electric field is created in the vicinity, charging the capacitor.

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