ULD2E4R7MPD1TD Capacitors

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.433" (11.00mm)
Size / Dimension:	0.315" Dia (8.00mm)
Lead Spacing:	0.138" (3.50mm)
Ripple Current @ High Frequency:	106mA @ 100kHz
Ripple Current @ Low Frequency:	53mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	ULD
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	12000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	4.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction

Aluminum electrolytic capacitors (AECs) are the most commonly used storage devices for the storage of electrical energy. These capacitors are designed to store a charge that can be rapidly released when needed, making them ideal for devices such as computers and electronic appliances. In this article, we will discuss the application fields and working principles of a ULD2E4R7MPD1TD aluminum electrolytic capacitor.

Application Fields

ULD2E4R7MPD1TD aluminum electrolytic capacitors are mainly used for high frequency and high temperature applications. They are ideal for use in industrial, automotive and computer applications. They are also suitable for use in communications and audio systems where high frequency response is key. These capacitors feature a low ESR and a high capacity, making them an excellent choice for applications that require high temperatures. They have an excellent transient response and can be operated up to 85°C while withstanding large time constants.ULD2E4R7MPD1TD aluminum electrolytic capacitors are also used in energy-storage applications such as power supplies and UPS systems. They are also suitable for use in switch-mode power supplies and switching regulators, where high ripple current and low voltage ratings are needed.

Working Principle

A ULD2E4R7MPD1TD aluminum electrolytic capacitor works through the attraction and repelling force of an electrolyte between a pair of aluminum plates. The aluminum plates are insulated from one another.When the capacitor is charged, the aluminum plates attract the electrolyte ions and form an electric double layer at the inter-plate gap (also known as a dielectric layer). The dielectric layer acts as a barrier between the two plates and prevents the ions from recombining. As the capacitor is discharged, the electric double layer breaks down and the ions move back to the aluminum plates, releasing their energy.In addition to their high capacity and low voltage capabilities, ULD2E4R7MPD1TD capacitors have a low ESR and a long life cycle. This enables them to be used in highly demanding applications over a long period of time.

Conclusion

In conclusion, ULD2E4R7MPD1TD aluminum electrolytic capacitors are used in a wide range of applications, such as power supplies, UPS systems, switch-mode power supplies and switching regulators. They feature a low ESR and a long life cycle, making them suitable for use in high frequency and high temperature applications. Their working principle is based on the attraction and repelling force of an electrolyte between a pair of aluminum plates.

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