ESMQ451VSN391MR40S

Tolerance:	±20%
Voltage - Rated:	450V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	2000 Hrs @ 85°C
Operating Temperature:	-25°C ~ 85°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	2.24A @ 120Hz
Ripple Current @ High Frequency:	3.203A @ 50kHz
Lead Spacing:	0.394" (10.00mm)
Size / Dimension:	1.181" Dia (30.00mm)
Height - Seated (Max):	1.575" (40.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can - Snap-In
Series:	SMQ
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Capacitance:	390µF

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Aluminum Electrolytic Capacitors: ESMQ451VSN391MR40S Application Field and Working Principle

Aluminum electrolytic capacitors are one of the most commonly used types of capacitors available today. Made from a combination of aluminum foil and non-conductive paper or fabric, these capacitors are used in various electrical and electronic equipment, including AC power line filtering, power protection applications, and motor control circuits. The specific purpose of different capacitor types is determined by their characteristics, such as the working voltage, capacitance, capacitance tolerance, and temperature range. The ESMQ451VSN391MR40S is an aluminum electrolytic capacitor that is used in a variety of different applications, including power-line filtering, general-purpose AC power applications, and motor control circuits. This capacitor has a working voltage of 450VAC and a capacitance of 391uF, as well as a temperature range of -40 to +105 degrees Celsius. It offers good ripple resistance, making it well-suited to small power systems and AC power supplies.To understand the working principle of aluminum electrolytic capacitors in general, it is important to first understand their internal structure. Aluminum electrolytic capacitors are comprised of two aluminum foil electrodes and a separator material between them. The separator material is an electrolyte that consists of an oxidizing agent and an electrolyte solution. This electrolyte solution is usually an aqueous solution of an organic or inorganic acid or an alkaline or neutral salt. This electrolyte solution helps to facilitate the conduction of ions from one electrode to the other. The capacitance of the aluminum electrolytic capacitor is determined by the size, shape, and number of the aluminum foil electrodes. As the number of electrodes increases, the capacitance of the capacitor increases. The working voltage is determined by the strength of the electrolyte solution. Higher voltage electrolyte solutions are able to withstand higher voltages than electrolyte solutions with lower working voltages. To utilize the advantages of the ESMQ451VSN391MR40S, it should be installed in a circuit that has a voltage between the range of the working voltage, capacitance, and temperature range. The polarized design of this aluminum electrolytic capacitor must also be taken into consideration when connecting it to a circuit. As with any capacitor, however, incorrect installation can lead to a variety of problems and circuit inefficiencies, so it is important to follow the manufactures recommend installation guidelines. In terms of its application, the ESMQ451VSN391MR40S is designed for use in small power systems and AC power supplies. It is well-suited for use in power line filtering applications, general purpose AC power applications, and motor control circuits. Its high working voltage and temperature range make it ideal for use in industrial, commercial, and residential facilities. To sum up, the ESMQ451VSN391MR40S is an aluminum electrolytic capacitor that is designed for use in power line filtering, general purpose AC power applications, and motor control circuits. It is characterized by a high working voltage of 450VAC and a capacitance of 391uF, as well as a temperature range of -40 to +105 degrees Celsius. In order to utilize the benefits of this capacitor, it should be installed in a circuit that follows the manufacturers recommended installation guidelines and is within the working voltage, capacitance, and temperature range of the capacitor.

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