Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.492" (12.50mm)
Size / Dimension:	0.197" Dia (5.00mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ High Frequency:	217.5mA @ 10kHz
Ripple Current @ Low Frequency:	145mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UVZ
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	1000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	6.3V
Tolerance:	±20%
Capacitance:	220µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Aluminum Electrolytic Capacitors

Introduction

Aluminum electrolytic capacitors are electrical devices that use aluminum oxide as the dielectric layer in order to store electrical charge and enable its application in various types of electronic circuits. Aluminum electrolytic capacitors have been around since the early 1900s and have been used for numerous applications in the last hundred years.

UVZ0J221MDD1TA Application and Working Principle

An Aluminum Electrolytic Capacitor with the part number UVZ0J221MDD1TA is one of the most commonly used capacitors in the market. It is a small, surface-mount capacitor that is primarily used for power supply filtering and decoupling operations. This type of aluminum electrolytic capacitor typically comes with a rated voltage of 10 VDC-63 VDC, so it can be used in a variety of applications. The temperature range in which this capacitor can be used is -55°C to +125°C.The working principle of the aluminum electrolytic capacitor is relatively simple. An aluminum anode and cathode are used to store electrical charge, while the aluminum oxide layer acts as the dielectric between the two electrodes. The electrical charge is stored when the anode is positvely charged, while the negatively charged cathode attracts the electrons and stores the charge. When applying an AC voltage, the capacitor acts as an open switch, allowing the flow of current. In DC applications, it acts as a closed switch, blocking the current, and thus acts as a filter and regulator for the power supply.

Advantages of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors have several advantages over other types of capacitors. They are generally small and lightweight, making them ideal for applications in small electronic circuits. Additionally, they are more cost-effective than many other types of capacitors. Furthermore, their low-inductance properties make them good for high frequency applications, such as power supplies for computers and laptops.

Disadvantages of Aluminum Electrolytic Capacitors

Despite the many advantages of aluminum electrolytic capacitors, they come with some drawbacks as well. They have relatively low capacitance to volume ratio, meaning that for any given capacitor size, the capacitance will be lower than other types. This is an issue when trying to reduce the size of the circuit due to the need for a larger capacitor. Additionally, aluminum electrolytic capacitors are known to suffer from reduced voltage ratings over time due to corrosion, leakage, and over-voltage concerns.

Conclusion

UVZ0J221MDD1TA is a type of aluminum electrolytic capacitor that is often used in a variety of applications due to its small size and relatively low cost. Its working principle is simple and it offers several advantages over other types of capacitors. However, there are also some drawbacks of using the aluminum electrolytic capacitor, namely its low capacitance to volume ratio and its tendency to suffer from reduced voltage ratings over time.

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