DCMX292T400DF2B

Operating Temperature:	-40°C ~ 85°C
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	5.687" (144.45mm)
Size / Dimension:	3.000" Dia (76.20mm)
Lead Spacing:	1.250" (31.75mm)
Applications:	General Purpose
Ratings:	--
Polarization:	Polar
Series:	DCMX
Lifetime @ Temp.:	2000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	400V
Tolerance:	-10%, +50%
Capacitance:	2900µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic CapacitorsAluminum electrolytic capacitors (AEC\'s) are capacitors with a high dielectric strength and high capacitance due to the use of an aluminum oxide based dielectric. These capacitors are used in an array of applications, including power supplies, medical equipment, computers, consumer electronics, signal processing, audio, and communications. DCMX292T400DF2B is one such aluminum electrolytic capacitor.Aluminum electrolytic capacitors are designed such that the helium (electrolyte) and dielectric material is contained between two aluminum foil electrodes with an oxidized layer acting as an insulator. The electrolytic solution acts as an electrolyte to help store a high amount of electrical energy. The oxides of the two aluminum foils serve as the dielectric material added to increase capacitance. Due to their excellent capacitance, aluminum electrolytic capacitors are used in a variety of electronic circuits, such as storage, filtering, decoupling, bypass, and signal switching. Apart from that, they are also used to improve power factor in electric motors and alternators, suppress line noise in power supplies, and reduce the size of high voltage transmission lines and cables.Referring to the DCMX292T400DF2B, this aluminum electrolytic capacitor is designed to be used in switch-mode power supplies, which are used in a variety of appliance and industrial applications. It is configured with a 4-pin configuration and comes in a radial leaded package for easy mounting. It has a high temperature range of -40°C to +105°C and is rated at 85°C. This device offers low equivalent series resistance (ESR) and offers low losses at high frequencies, making it suitable for use in power supplies and switching circuits. With a capacitance value of 4000µF, this capacitor has a rated voltage of 1000V, making it suitable for high voltage applications.In terms of working principle, when a direct voltage is applied across the capacitor terminals, the anode aluminum foil and oxide are positively charged whereas the cathode aluminum foil and oxide are negatively charged. As a result, the charge accumulates on the aluminum oxide insulators, resulting in the attraction of opposite poles and neutralizing the potential difference. This process is known as capacitance and the capacitor stores energy in the form of an electrostatic field. As current passes through the capacitor, it is opposed by this electric field, developing a voltage across the terminals and dissipating a portion of the energy. This stored energy is discharged to provide any required short bursts of current as the capacitor discharges into the output.DCMX292T400DF2B aluminum electrolytic capacitor is designed to be used for its excellent capacitance, low ESR, and its ability to withstand high frequency switching. As a result of its excellent capacitance, this device is capable of providing fast charge and release for the pulse-width modulation circuits found in switch-mode power supplies. With its 4-pin configuration, compatible leaded package, and temperature range, this device is ideal for medical and industrial applications where long airflow is needed for cooling and discharge time is of the most importance.

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