UHE1H561MHT

Series:	UHE
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	560µF
Tolerance:	±20%
Voltage - Rated:	50V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	10000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	1.463A @ 120Hz
Ripple Current @ High Frequency:	1.95A @ 100kHz
Impedance:	34 mOhms
Lead Spacing:	0.197" (5.00mm)
Size / Dimension:	0.492" Dia (12.50mm)
Height - Seated (Max):	0.984" (25.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Overview

Aluminum electrolytic capacitors are a type of capacitors that uses aluminum foil as one of its electrodes and electrolytic paper soaked in an electrolytic solution as the other electrode. They have the highest capacitance values compared to other capacitor types and have a wide range of application areas, making them particularly useful for various electronic circuits.

UHE1H561MHT Application Field and Working Principle

The UHE1H561MHT is a popular type of aluminum electrolytic capacitor commonly used in consumer electronics. The product series has a wide range of capacity, voltage and temperature characteristics and offers a higher capacitance to volume ratio as compared to other aluminum electrolytic capacitors.The UHE1H561MHT utilizes a combination of a wet electrolyte and dry pressurized electrolyte to achieve a high capacitance at low equivalent series resistance. The electrolyte functions as the dielectric within the capacitor and is suspended between two paper-like electrodes. The working principle of the UHE1H561MHT can be divided into two parts. The first part involves the formation of a thin dielectric film on the aluminum surface. This is possible since the aluminum is anodic and will electrolytically oxidize when exposed to the wet electrolyte, forming a very thin (3-7 Å) dielectric film. The second part involves the formation of the electrical connection between the aluminum and the electrolytic paper. This is accomplished by the positive charge of the electrolyte, which binds to the aluminum and forms a conductive path between the two electrodes.The UHE1H561MHT can also work under pressurized dry (PDE) mode, which is a combination of wet electrolyte and dry pressurized electrolyte applied to the aluminum surface. This increases the capacitance value and reduces the equivalent series resistance.

Applications

The UHE1H561MHT’s high capacitance, low equivalent series resistance and wide temperature range make it suitable for a wide range of applications. It is primarily used in consumer electronics such as TVs, computers, sound systems and other audio and video equipment. It is also widely used in industrial applications, such as motor drives, control systems, power factor correction, UPS systems and power electronic converters.

Advantages and Disadvantages

Aluminum electrolytic capacitors have many advantages over other capacitor types. They are highly reliable and are capable of providing high capacitance values in a small size. They also have a wide temperature range and low equivalent series resistance.However, aluminum electrolytic capacitors also have a few disadvantages. These include their high impedance and reduced capacitance when exposed to high temperatures, and a limited operating lifetime. Additionally, they are prone to electrolytic leakage and require a certain amount of care and maintenance.

Conclusion

The UHE1H561MHT is a popular type of aluminum electrolytic capacitor that can be used in a variety of applications. It is highly reliable and provides a high capacitance in a small size due to its combination of wet electrolyte and dry pressurized electrolyte. However, it does have a few drawbacks including high impedance and decreased capacity when exposed to high temperatures. Despite these drawbacks, the UHE1H561MHT is a good choice for most consumer electronics applications.

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