UAS2G680MHD61TN

Series:	UAS
Part Status:	Active
Capacitance:	68µF
Tolerance:	±20%
Voltage - Rated:	400V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	360mA @ 120Hz
Ripple Current @ High Frequency:	576mA @ 10kHz
Lead Spacing:	0.295" (7.50mm)
Size / Dimension:	0.709" Dia (18.00mm)
Height - Seated (Max):	1.063" (27.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum electrolytic capacitors consist of two aluminum foils that are alternately laminated with an electrolyte-soaked paper sheet. An extremely thin oxide film forms on the surface of the aluminum foils when they are in an electrolyte, and the chemical and electrical properties of the oxide enable it to act as a dielectric in the capacitor. UAS2G680MHD61TN, one of the widely used electrolytic capacitors, and its application field and working principle will be elaborated in the following passages.UAS2G680MHD61TN is a surface mounted Aluminum Electrolytic Capacitor with a voltage rating of 6.3V and a capacitance of 2.2μF. This type of capacitor typically works in the range of 20KHz to 2½MHz and is used in many fields, especially in high density circuit board applications, mostly in computer and laptop applications. It can also be used in the power supplies of headlight xenon bulbs in automobiles.At its heart, UAS2G680MHD61TN operates on a principle described as “dielectric absorption”. The dielectric absorbs some of the energy that flows through the circuit, delaying the discharge of the capacitor and providing better electrical isolation between the components in the circuit. This type of capacitor can also be used to smooth the voltage from the power supply, by releasing some energy when the voltage drops.In addition to the dielectric absorption principle, UAS2G680MHD61TN also operates on a principle referred to as “electrolytic polarity”. During the fabrication process, a thin layer of oxide forms on the surface of the aluminum foil which acts as the dielectric in the capacitor. The polarity of the applied voltage determines the direction in which the charge flows and the amount of charge stored in the capacitor.The suggested application of UAS2G680MHD61TN is to provide over-voltage protection to circuits, as it can absorb an adequate amount of energy and slow down the flow of currents. It can also help in compensating for changes associated with components’ temperature. Due to its high dielectric absorption and low ESR value, it can also be used to decrease the loss of energy in high frequency applications. Moreover, this type of capacitor can be combined with other components in a circuit as a frequency modulated filter, to block low-frequency fluctuations while allowing higher frequency signals to be filtered.Due to its sophisticated structure, UAS2G680MHD61TN has high reliability and stability, and is used in many industrial, automotive, computer, and audio-video equipment. Moreover, due to its small size, it can be used in locations where space is at a premium.To conclude, UAS2G680MHD61TN is a widely used Aluminum Electrolytic Capacitor which has a voltage rating of 6.3V and a capacitance of 2.2μF. Its application fields are mainly computer and laptop applications and power supplies of headlight xenon bulbs in automobiles. It operates on two principles: dielectric absorption and electrolytic polarity. Its main usage in the industry is to provide over-voltage protection and to compensate for changes in the components’ temperature. Furthermore, due to its small size, it can also be used as a frequency modulated filter. Its high reliability and stability make it suitable for many applications in industrial, automotive, computer, and audio-video equipment.

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