UPM1E391MPD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.866" (22.00mm)
Size / Dimension:	0.394" Dia (10.00mm)
Lead Spacing:	0.197" (5.00mm)
Impedance:	70 mOhms
Ripple Current @ High Frequency:	985mA @ 10kHz
Ripple Current @ Low Frequency:	770mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPM
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	5000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	390µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: UPM1E391MPD Application Field and Working PrincipleAluminum Electrolytic Capacitors (AECs) are the electronic components of choice for a variety of applications, particularly those needing low-ESR and high-ripple-current performance. Among the many AECs on the market, the UPM1E391MPD from United Chemi-Con is one of the most popular options due to its small size and high-performance characteristics. This article will discuss the application field and working principle of the UPM1E391MPD in detail.The UPM1E391MPD is a highly versatile AEC designed for general-purpose applications. It has a capacitance of 330μF, a rated voltage of 16 volts, and a maximum operating temperature of 105°C. These characteristics make the UPM1E391MPD ideal for use in DC/DC converters, power supplies, and other similar applications. The AEC is also resistant to shock and vibration, making it suitable for use in harsh environments.The working principle of the UPM1E391MPD is based on the principle of electrolysis. The capacitor is made up of two metal plates that are separated by a thin layer of electrolyte. A voltage is applied to the capacitor and an electric current passes through the electrolyte. This current causes ions in the liquid to migrate from one plate to the other, creating a capacitance that stores electrical energy. In the UPM1E391MPD, the plates are made of aluminum and the electrolyte is made of a special polymer that increases the heat tolerance and extends the lifespan of the capacitor.The excellent performance of the UPM1E391MPD is due to its robust construction and high-quality components. The capacitor features a press-fit construction, which prevents the aluminum plates from coming into contact with each other, thus reducing ESR and increasing the ripple current tolerance. Additionally, the polymer electrolyte provides protection against oxidation and corrosion, making the capacitor highly reliable. This reduces the need for frequent maintenance and ensures that the capacitor has a long life.Finally, the UPM1E391MPD offers a wide range of operating temperature and voltage ranges. It can be used in applications that require a wide range of temperatures, making it highly flexible for different applications. Additionally, the UPM1E391MPD is UL recognized and RoHS compliant, making it ideal for a variety of industries.In conclusion, the UPM1E391MPD is an excellent choice for a variety of applications due to its high-performance characteristics. Its robust construction allows it to withstand harsh environments and its wide operating temperature and voltage ranges make it suitable for a variety of applications. The UPM1E391MPD is UL recognized and RoHS compliant, making it an attractive option for a variety of industries.

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