Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.492" (12.50mm)
Size / Dimension:	0.248" Dia (6.30mm)
Lead Spacing:	0.098" (2.50mm)
Ripple Current @ High Frequency:	150mA @ 100kHz
Ripple Current @ Low Frequency:	63mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	ULD
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	10000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	100V
Tolerance:	±20%
Capacitance:	10µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Aluminum Electrolytic Capacitors

Introduction

Aluminum electrolytic capacitors are a versatile component in electronics used to store energy and provide electrical insulation—they are found in nearly all electronic devices.Unlike other types of electrolytic capacitors, aluminum electrolytic capacitors use aluminum as the anode element, allowing for a much higher capacitance. Additionally, they are flexible in the range of capacitance for their size, with certain types of capacitors being capable of storing hundreds of times more charge compared to other types. This makes them particularly useful in high voltage devices, particularly those that require more energy storage than what other capacitors can provide.

Types of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are divided into two major types—radial and axial. Radial aluminum electrolytic capacitors have their parts arranged around the circumference, such as in a cylinder, while axial aluminum electrolytic capacitors have the parts arranged lengthwise along a line. Axial aluminum electrolytic capacitors are the more common in circuit boards, primarily because they are able to dissipate heat more efficiently.

ULD2A100MED1TD Application field and Working Principle

The ULD2A100MED1TD aluminum electrolytic capacitor is designed for use in high-voltage applications, with rated DC working voltages of 100V and higher. Its construction consists of two metallic plates—an anode and a cathode—separated by an electrolyte. The anode is a thin titanium-coated aluminum foil strip, while the cathode is separated from the anode by a dielectric oxide layer.When a voltage is applied to the two metallic plates, a current flows through the electrolyte, which causes a reaction between the anode and the cathode. This reaction forms a layer of oxide on the surface of the anode which increases its capacitance, enabling the capacitor to store electrical energy.ULD2A100MED1TD capacitors are used in high-voltage applications such as switching converters, motor control, switch mode power supplies (SMPS), voltage regulators and other power conditioning circuits. These capacitors have an operational temperature range of -55°C to +125°C, making them suitable for high temperature applications.

Maintenance and Considerations

Aluminum electrolytic capacitors require regular maintenance and respect for their rated parameters in order to ensure their longevity. For optimal performance, the capacitor should be kept away from extreme temperatures, vibrations and other harsh environmental conditions.Additionally, aluminum electrolytic capacitors should be replaced periodically to avoid degradation of their performance and capacitance. As a general rule, aluminum electrolytic capacitors should be replaced after at least five years of use, or if they start to exhibit decreased capacitance or leakage current.

Conclusion

Aluminum electrolytic capacitors are versatile components in electronics commonly used to store energy and provide electrical insulation. The ULD2A100MED1TD aluminum electrolytic capacitor is designed for high voltage applications, and is capable of storing a large amount of energy and operating at a wide range of temperatures. In order to ensure optimal performance, aluminum electrolytic capacitors should be properly maintained and replaced periodically.

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