UKL1E331MPD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.846" (21.50mm)
Size / Dimension:	0.394" Dia (10.00mm)
Lead Spacing:	0.197" (5.00mm)
Ripple Current @ High Frequency:	735mA @ 10kHz
Ripple Current @ Low Frequency:	490mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UKL
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	330µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most popular types of capacitors in electronics. As the name suggests, they are able to use metal electrodes to store electrical energy and are widely used in many applications such as power supplies, motor control and audio. One such capacitor is the UKL1E331MPD which, as an example, is a polarized aluminum electrolytic capacitor with a large capacitance of 330μF. This article will examine the application field, working principle and characteristics of this capacitor.

Application Field

The UKL1E331MPD is typically used as a smoothing capacitor to reduce the ripple voltage found in AC to DC converters. Since this capacitor has a moderate capacitance, it can quickly collect the ripple voltage from the electric current and the ripple voltage decreases rapidly as the capacitor charges, resulting in a stable output voltage. This capacitor is also widely used in pulsed power supply and audio frequency applications due to its low ESR, low equivalent series resistance, characteristic.

Working Principle

The UKL1E331MPD is a polarized capacitor which means that it has two electrodes, one positive and one negative. The electrodes are electrodes made from aluminum oxide and a spacer between them contains an electrolyte. When voltage is applied, a layer of electric charge builds up on the surface of the electrode, resulting in the capacitor becoming gradually charged and storing electrical energy.

Characteristics

The UKL1E331MPD is notable for its low ESR, high capacitance of 330μF and extended temperature range, allowing for use at temperatures between -40℃ and +105℃. In addition, the capacitor is also highly stable and reliable, making it an excellent choice for a variety of power supply and audio frequency applications.In conclusion, although the UKL1E331MPD is a specific example of an aluminum electrolytic capacitor, it provides an excellent example of the general characteristics of such capacitors. They are extremely reliable, widely used and are capable of reducing the ripple voltage of electric current. Their range of characteristics also make them highly suitable for a variety of applications, from smoothing current to frequency control. In summary, aluminum electrolytic capacitors are an important part of many electronic circuits, and the UKL1E331MPD in particular is an excellent example of their capabilities and suitability.

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