UMP1HR47MDD

Series:	UMP
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	0.47µF
Tolerance:	±20%
Voltage - Rated:	50V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-40°C ~ 85°C
Polarization:	Bi-Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	4mA @ 120Hz
Ripple Current @ High Frequency:	6mA @ 10kHz
Lead Spacing:	0.059" (1.50mm)
Size / Dimension:	0.157" Dia (4.00mm)
Height - Seated (Max):	0.236" (6.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in various types of electrical equipment because of their relatively low cost, high capacitance and low leakage current. The device UMP1HR47MDD is a specific type of electrolytic capacitor, and is part of a larger family of such devices. This article will discuss the application field and working principle of the UMP1HR47MDD.

Application Fields

The UMP1HR47MDD is suitable for filtering and decoupling applications in many industrial, automotive, and consumer electronics products. For example, the device can be used to ensure a smooth, reliable power supply in microprocessors and other computer systems. Additionally, it is a popular choice for noise-reduction capacitors in RF and audio circuits. The UMP1HR47MDD is also suitable for applications requiring high surge tolerance and a long service life, such as lighting fixtures, motor drives, and power supplies.

Working Principle

An aluminum electrolytic capacitor is a device which stores energy in an electric field created by a cathode and an anode. Both the cathode and anode are made out of aluminum foil and are separated by a thin oxide layer. In between the two foils is a conductive liquid (the electrolyte) which acts as a charge carrier between the two foils.When an electric current is passed through the device, an electric field is formed in the oxide between the two foils. This electric field creates an electrical double layer which acts as a layer of insulation between the two sides. This double layer increases the capacitance of the device, allowing it to store greater amounts of energy.When the voltage across the capacitor decreases, the electric field between the two foils collapses and the stored charge is discharged, producing a small electric current. This process is known as “leakage current”, and is the primary means by which the capacitor loses energy over time.

Conclusion

The UMP1HR47MDD aluminum electrolytic capacitor is a versatile device suitable for a variety of applications. Its ability to withstand large surge currents and maintain a long service life makes it an ideal choice for automotive, industrial, and consumer electronics applications. The device\'s working principle is based on using an electric field to create a layer of insulation between two aluminum foils, thus increasing its capacitance. This property, along with its low cost, makes the UMP1HR47MDD an attractive choice for power supply and filtering applications.

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