UUX1C221MNL1GS Capacitors

Series:	UUX
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	220µF
Tolerance:	±20%
Voltage - Rated:	16V
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:	330mA @ 120Hz
Ripple Current @ High Frequency:	399.1mA @ 10kHz
Lead Spacing:	--
Size / Dimension:	0.394" Dia (10.00mm)
Height - Seated (Max):	0.413" (10.50mm)
Surface Mount Land Size:	0.406" L x 0.406" W (10.30mm x 10.30mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are some of the most commonly used capacitors due to their large capacitance values, low cost and relative ease of use. An aluminum electrolytic capacitor is a polarized capacitor composed of two aluminum foils, one of which is etched with a pattern of parallel plates separated by a dielectric membrane. The other foil is a flat sheet, with the two foils separated by a layer of liquid electrolyte.Aluminum electrolytic capacitors are one of the most popular types of capacitors used in various circuits due to their large capacity and low power loss. These capacitors are composed of two aluminum foils, with one side etched into a pattern of small plates and separated with a dielectric membrane. The other side is a flat sheet with containing a layer of liquid electrolyte, which covers the etched foil plates.The UUX1C221MNL1GS application field and working principle of aluminum electrolytic capacitors is an interesting topic to explore. Generally speaking, most of the capacitors of this type found in electronics contain a spiral or radial pattern where the etchings on the aluminum foil and the dielectric membrane are oriented in such a way that they interact in a way that significantly increases their capacitance. Generally, the higher the density of the etchings, and the amount of surface area available, the more capacitance a given capacitor can provide.When a voltage is applied between the two end terminations of the capacitor, the electrostatic forces cause the aluminum oxide layer on the surface of the anode to become conducting. This creates a conducting path for the electrons to travel from the anode to the cathode and generates an electric charge. This electric charge is stored in the capacitor as a form of energy for a given period of time.The primary benefit of aluminum electrolytic capacitors is their ability to hold a large amount of charge for a given size and price. They are also relatively easy to install. However, they have some drawbacks. They can have a long life, but the higher capacitance values can have leakage current and their life may be relatively short. Additionally, their working temperature range is relatively small and they can suffer from aging effects.It should be noted that in order for aluminum electrolytic capacitors to maximize their performance, they should always be kept at a temperature higher than the ambient temperature. This helps to ensure that the aluminum oxide layers remain conducting and prevents early failure due to a decrease in capacitance. Additionally, these capacitors should never be subjected to large amounts of mechanical shock or vibration as they may fail due to the movement of the plates.In conclusion, aluminum electrolytic capacitors have certain drawbacks, but they also offer many benefits which make them the capacitors of choice in many applications. They are relatively easy to use and offer large capacitance values with very low leakage current, making them ideal for low power applications. Furthermore, they have a relatively long life, meaning they are a reliable choice for many designs.

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