UKL1H0R1MDDANATA

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.472" (12.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ High Frequency:	2.2mA @ 10kHz
Ripple Current @ Low Frequency:	1.1mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UKL
Operating Temperature:	-40°C ~ 105°C
Lifetime @ Temp.:	1000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	50V
Tolerance:	±20%
Capacitance:	0.1µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Not For New Designs
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Aluminum Electrolytic Capacitors, commonly known as Al-Electrolytic Capacitors, are one of the most common types of capacitors used in the electronics industry. They are often used in power supplies, motor drivers, pulse circuits, and other high-voltage applications. The Al-Electrolytic Capacitor is composed of a metal foil, usually an aluminum foil, along with a dielectric material which is usually a liquid electrolyte. The Al-Electrolytic Capacitors are a type of polarized capacitor because they must be connected properly with the positive terminal connected to the anode and the negative terminal to the cathode.The working principle of aluminum electrolytic capacitors is based on the Faraday’s law of electrolysis. This law states that when a voltage is applied across two electrodes of an electrolytic cell, a current will flow through the cell, which in turn will cause the ions of the electrolyte to accumulate on the surface of the electrodes. These ions then form an electric double layer, which acts as a barrier, preventing electrons from crossing the layer. This charge separation, due to the Faraday’s law, is what stores energy in the Al-Electrolytic Capacitor.The key benefit of using aluminum electrolytic capacitors is their high capacitance-to-volume ratio. Al-Electrolytic Capacitors can store large amounts of energy per unit of volume, making them an ideal choice for applications that require high-capacity storage and require a compact volume. This makes them a popular choice for various commercial and residential applications, such as power supply, motor drivers, television, and radios.Besides the advantages, Al-Electrolytic Capacitors also come with a few drawbacks. First, they are polarity-sensitive, which means that they must be connected in series when used in a circuit. This often requires additional components such as a reverse-polarity diode or a polarized connector to ensure proper connection. Second, they can suffer from aging, which means that the capacitance will reduce over time. Therefore, it is important to consider the age of the capacitor when selecting them for a particular application. Finally, there is also the risk of electrical overstressing that can cause the Al-Electrolytic Capacitor to fail catastrophically due to the high temperature generated by excessive current.In conclusion, aluminum electrolytic capacitors are an invaluable component in the electronics industry, used in high-voltage, high-capacity applications. Their high capacitance-to-volume ratio, combined with their compact size, make them a popular choice for many commercial and residential applications. However, they are polarity-sensitive and prone to aging, and they must be used with additional components to ensure proper connection and avoid overstressing.

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