UPA1C391MPD

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.512" (13.00mm)
Size / Dimension:	0.315" Dia (8.00mm)
Lead Spacing:	0.138" (3.50mm)
Impedance:	90 mOhms
Ripple Current @ Low Frequency:	472.5mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPA
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	16V
Tolerance:	±20%
Capacitance:	390µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Aluminum electrolytic capacitors are widely used in electronic devices today due to their high volumetric efficiency, wide temperature range, long life, and competitive pricing. These capacitors, also known as "electrolytic caps", are composed of two metal plates separated by an electrolyte solution. The metal plate on the side of the electrolyte solution is the anode, while the metal plate opposite it is the cathode. The anode is made of a highly porous aluminum oxide dielectric that has been impregnated with an electrolyte solution. The inner surface of the anode is coated with a metal such as tin or silver, forming the "capacitor plates".The UPA1C391MPD is an aluminum electrolytic capacitor from Nichicon Corporation. It has high volumetric efficiency and a wide temperature range, making it suitable for a variety of applications in which long life and a competitive price are desired. This capacitor’s application field and working principle are discussed in greater detail below.

UPA1C391MPD Working Principle

The UPA1C391MPD works on the principle of capacitance. This is the ability of an electrical component to store electrical energy. The energy is stored as an electrostatic field between its capacitor plates.When an electrical current is applied to the electrodes of the capacitor, the anode builds up a negative charge while the cathode builds up a positive charge. The voltage between the plates is called the "capacitor voltage". When the applied current is removed, the capacitor voltage remains. This stored energy is released as soon as the current is reapplied and can be used as an electric current in a circuit.

UPA1C391MPD Application Field

The UPA1C391MPD can be used in a variety of applications due to its high volumetric efficiency and wide temperature range. Some of these applications include:• Power supply filtering: The capabilities of the UPA1C391MPD allow it to be used as a filter in electronic power supplies, where it can absorb voltage spikes or noise.• DC motors: The UPA1C391MPD can help stabilize the DC power supply used to run a DC motor.• Audio systems: The capacitor can also be used in audio systems, as it will filter out any unwanted high-pitched noises to produce clear sound.• Timers: The capacitor can be used in timers to reduce the power draw of the circuit, as it will require less energy to charge and discharge.• Video projectors: The capacitor can be used to stabilize the power supply of a video projector, as it will absorb any sudden fluctuations in voltage due to power spikes or noise.• Automatic control systems: The capacitor can be used in automated control systems to reduce the power consumption of the circuit, as it will require less energy to charge and discharge.

Conclusion

The UPA1C391MPD is an aluminum electrolytic capacitor from Nichicon Corporation that has a wide variety of applications due to its high volumetric efficiency and wide temperature range. The working principle of the capacitor is based on the principle of capacitance, which allows it to store electrical energy in the form of an electrostatic field between its capacitor plates. Some of the applications of the UPA1C391MPD includes power supply filtering, DC motors, audio systems, timers, video projectors, and automated control systems.

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