UPM2AR47MDD1TD Capacitors

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:	0.098" (2.50mm)
Impedance:	43 Ohms
Ripple Current @ High Frequency:	68mA @ 10kHz
Ripple Current @ Low Frequency:	8mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPM
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	0.47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Not For New Designs
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction

Aluminum electrolytic capacitors are widely used in electronic circuits because of their high capacitance, low cost and long service life. The UPM2AR47MDD1TD is particularly designed for low-voltage power application and is one of the most popular Aluminum electrolytic capacitors available. In this article, we take a look at the application field and working principle of the UPM2AR47MDD1TD.

Application Field

The UPM2AR47MDD1TD is a general-purpose low-voltage capacitor that can be used in a wide variety of circuits. It is especially suitable for applications involving the filtering of noise, power supply input and output, and power line decoupling. It is well suited for low-voltage power applications such as computers and other digital devices.The capacitor is also used in circuits such as AC/DC switching power supplies, DC/DC converters, DC/AC inverters, speakers, motors and other power electronics applications. Its high capacitance and low ESR (Equivalent Series Resistance) makes it suitable for high ripple current applications.

Working Principle

An Aluminum electrolytic capacitor consists of two conductive electrodes sandwiching a thin layer of aluminum oxide. A voltage applied across the terminals of the capacitor causes electrical charge to build up on the surface of the oxide layer. This charge is stored as electric energy and can be released when the capacitor is discharged.The electric charge stored in the oxide layer is directly proportional to the voltage applied to the terminals. The electric field created by the capacitance causes electric current to flow between the electrodes. The current flowing between the electrodes is limited by the ESR (Equivalent Series Resistance) of the capacitor. The ESR determines the amount of current that flows through the capacitor and thus affects its performance.

Conclusion

The UPM2AR47MDD1TD is an Aluminum Electrolytic capacitor, which is widely used in low-voltage power applications such as computers, AC/DC switching power supplies and DC/DC converters. The electric charge stored in the oxide layer of the capacitor is directly proportional to the voltage applied to the terminals and the current flowing between the electrodes is limited by the ESR of the capacitor. This makes the capacitor highly efficient and allows it to handle high ripple currents without affecting its performance.

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