UPW1E390MDD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.433" (11.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Lead Spacing:	0.079" (2.00mm)
Impedance:	600 mOhms
Ripple Current @ High Frequency:	180mA @ 100kHz
Ripple Current @ Low Frequency:	54mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPW
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	39µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum electrolytic capacitors are electrical components commonly used in a wide range of electrical and electronic circuits for various purposes. The UPW1E390MDD is one such capacitor, widely used in non-critical applications such as motor starting, power factor correction, and resonance adjustment. This capacitor is constructed from a highly conductive anode foil and an electrically insulating separator mounted in an electrolyte-filled can with a rolled anode lead and a terminal or lead-out wire.The primary function of a capacitor is to create a balance between electrical and magnetic fields in an electrical circuit. A capacitor acts as a reservoir, allowing current to flow from one side of the circuit to the other, creating a time-dependent electric field. When the electric field is applied to the capacitor, the aluminum plates of the capacitor become charged with a charge opposite to the applied voltage. This produces an opposing electric field within the capacitor, essentially trapping the charge and storing energy. The capacitance of an aluminum electrolytic capacitor is determined by the area of the plates and the distance between them, and is generally larger than other types of capacitors.The UPW1E390MDD aluminum electrolytic capacitor is designed for use in non-critical applications, primarily as an energy storage device. It is a cylindrical capacitor, which means that it contains both foil and separator layers, each wound around its anode and lead out. The anode is primarily composed of aluminum, while the separator is composed of either paper or plastic. The entire assembly is then filled with an electrolyte, most commonly in the form of a liquid solution.The working principle of the UPW1E390MDD aluminum electrolytic capacitor is based on a capacitor\'s ability to store electrical energy. When a voltage is applied across the capacitor, the aluminum reversibly stores the electric charges on the anode and cathode, creating an electric field on both sides. This electric field generates an electric current, which acts to store the energy from the applied voltage. The amount of energy stored is proportional to the size and type of capacitor, as well as the applied voltage. The value of the capacitance of a UPW1E390MDD aluminum electrolytic capacitor can vary greatly depending on the application and design. For example, in power factor correction applications, a higher capacitance is needed to compensate for reactive loads, while in motor starting, a lower capacitance is usually used. The total capacitance of the UPW1E390MDD is typically between 1-180 µF, with a working voltage of 500Vdc (450 Vac) and a temperature range of -55 to +105°C.In conclusion, the UPW1E390MDD aluminum electrolytic capacitor is designed for non-critical applications, such as motor starting, power factor correction and resonance adjustment. It functions as an energy storage device, creating an electric field on both sides of the capacitor that allows it to store energy from an applied voltage. The value of the capacitance of the UPW1E390MDD can vary from 1-180 µF, with a working voltage of 500Vdc (450 Vac).

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