Series:	UPJ
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	390µF
Tolerance:	±20%
Voltage - Rated:	35V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	5000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	955mA @ 120Hz
Ripple Current @ High Frequency:	1.22A @ 10kHz
Impedance:	84 mOhms
Lead Spacing:	0.197" (5.00mm)
Size / Dimension:	0.394" Dia (10.00mm)
Height - Seated (Max):	1.043" (26.50mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors: UPJ1V391MPD Application field and Working Principle

The UPJ1V391MPD aluminum electrolytic capacitor is a type of capacitor primarily used for power electronic applications. This particular type of capacitor is made of two aluminum electrodes placed inside a porous electrolyte. The electrical connection between the two electrodes is maintained by a bridge of dielectric material. Due to its high capacitance and low ESR rating, the UPJ1V391MPD is particularly well suited for power electronics applications such as filtering, voltage regulation, and noise suppression.

Application Field of UPJ1V391MPD

The UPJ1V391MPD aluminum electrolytic capacitor has a wide range of applications. It is mainly used in power supplies, motor drives, UPS systems, and solar and LED lighting systems. In these applications, the capacitor is used to filter out the power supply noise, provide voltage regulation, and reduce EMI. Other applications of UPJ1V391MPD include automotive electronics, switching power supplies, switch-mode rectifiers, and DC-DC power converters.

Working Principle of UPJ1V391MPD

The working principle of aluminum electrolytic capacitor is based on the principle of electrochemical reaction. In this process, two aluminum electrodes are electroplated with an electrolyte. In the case of the UPJ1V391MPD, the electrolyte is composed of a mixture of organic and aqueous solutions of ammonium borate salts. This solution acts as an electrolyte and helps to form an electrical bridge between the two electrodes.When a voltage is applied to the capacitor, electrons are drawn from one electrode to the other, forming an inner electrical path. This path helps to reduce the resistance of the connection between the two electrodes. As a result, the capacitor is able to store a large amount of charge and subsequently releases it when the external voltage is removed.

Advantages of UPJ1V391MPD

The UPJ1V391MPD offers several advantages over conventional capacitors. First, due to its low ESR rating, the capacitor can act as a filter, allowing the user to reduce the amplitude of power supply noise and reduce EMI. Second, due to its high capacitance, the capacitor can also act as a voltage regulator, helping to better stabilize the power supply. Third, the UPJ1V391MPD is relatively lightweight and can easily be installed. Finally, since the capacitor is made of an electrolyte, it is electrically insulated and can work at high temperature.

Conclusion

In conclusion, the UPJ1V391MPD aluminum electrolytic capacitor is a versatile component that can be used in a variety of applications. Its low ESR and high capacitance make it an ideal choice for power electronic applications. In addition to its versatile use in the power electronics field, the UPJ1V391MPD also offers several advantages that make it a suitable choice for other applications such as automotive electronics, switching power supplies, and DC-DC power converters.

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