UWZ1H4R7MCL1GB Capacitors

Series:	UWZ
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	4.7µF
Tolerance:	±20%
Voltage - Rated:	50V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	--
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	19mA @ 120Hz
Ripple Current @ High Frequency:	28.5mA @ 10kHz
Lead Spacing:	--
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.213" (5.40mm)
Surface Mount Land Size:	0.209" L x 0.209" W (5.30mm x 5.30mm)
Mounting Type:	Surface Mount
Package / Case:	Radial, Can - SMD

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Aluminum Electrolytic Capacitors: UWZ1H4R7MCL1GB Application Field and Working Principle

Aluminum electrolytic capacitors, also known as electrolytic capacitors, are a type of capacitor that uses an aluminum oxide layer to store electrical energy. This type of capacitor is widely used in applications requiring high capacitance and low equivalent series resistance (ESR). The UWZ1H4R7MCL1GB is an aluminum electrolytic capacitor with an electrostatic capacitance of 330μF and a rated voltage of 25V.

Applications

Due to the UWZ1H4R7MCL1GB aluminum electrolytic capacitor’s low ESR, it is capable of providing remarkable ripple current endurance and frequency characteristics. It also has a long life rating of 2000 hours to 10,000 hours. This makes it an excellent choice for a variety of applications that require high ripple current or wide bandwidth. Some of these applications include power supplies, general equipment, mobile communication devices, TV sets, and digital cameras.

Working Principle

The working principle of an aluminum electrolytic capacitor is based on the combination of electrical energy and chemical energy. Inside the capacitor, two aluminum foils are separated by an insulator, called a dielectric, which is usually made of an oxide film. When a voltage is applied across the capacitor, the oxide film undergoes an electrical breakdown. This breakdown generates an ionic current between the two conductors, resulting in the formation of an electric double layer. As a result, the charge density in the dielectric oxide layer increases and the excess electric charges are then ``stored`` in the oxide layer. This phenomenon is known as an electrochemical reaction and therefore these types of capacitors are also known as electrolytic capacitors. Due to the electrochemical reaction, the capacitor’s capacitance is increased. This process is reversible, so when the voltage across the capacitor is removed, the oxide layer returns to its original state and the stored energy is released.

Conclusion

The UWZ1H4R7MCL1GB aluminum electrolytic capacitor is a versatile component that is ideal for a variety of applications. Its low ESR makes it capable of providing high frequency and ripple current characteristics, as well as having a long life. Additionally, its working principle is based on the combination of electrical energy and chemical energy, allowing for a reversible electrochemical reaction that increases its capacitance.

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