MAL250074222E3

Polarization:	Polar
Package / Case:	Radial, Can - Screw Terminals
Mounting Type:	Chassis Mount
Surface Mount Land Size:	--
Height - Seated (Max):	4.358" (110.70mm)
Size / Dimension:	2.559" Dia (65.00mm)
Lead Spacing:	1.122" (28.50mm)
Impedance:	35 mOhms
Ripple Current @ Low Frequency:	20.4A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	500 PGP-ST
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	3000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	49 mOhm @ 120Hz
Voltage - Rated:	420V
Tolerance:	±20%
Capacitance:	2200µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: MAL250074222E3 Application Field and Working Principle

Aluminum electrolytic capacitors are a type of electrolytic capacitor, which includes a layer of aluminum oxide film as a dielectric medium. The aluminum oxide film is formed on the surface of pure aluminum foil when a voltage is applied to it. The aluminum oxide film has insulation and dielectric properties, which can store electrical energy and provide capacitance. The MAL250074222E3 is a high temperature aluminum electrolytic capacitor, which consists of a wound capacitor element enclosed in a cylindrical case. It is constructed with a high purity aluminum foil, an organic electrolyte solution, and a separator.The application field of the MAL250074222E3 is mainly motor drive, energy storage, and electroplatingfields, where high temperature and high voltage performances are required. With its high temperature and durable structure, high reliability MAL250074222E3 can be applied in harsh environments operating at temperatures up to 125°C.The working principle of the MAL250074222E3 is similar to other electrolytic capacitors, which is based on the electrostatic charge storage principle. The anode of the capacitor consists of a highly pure aluminum foil, which acts as an active capacitance element. The cathode is a porous medium, which holds a liquid electrolyte. The electrical charges are stored on the anode and a potential difference is generated between the two components when a DC voltage is applied to the capacitor. With an AC voltage, the potential difference is rapidly reversed, allowing current to flow capacitance. After the charges are changed, the potential difference is reduced and the current flow is stopped.The internal structure of the MAL250074222E3 is composed of a cylindrical case, which is filled with a non-drying electrolyte and aluminum windings. The cathode is connected to the winding while the anode is connected to the case. The electrolyte is held by a separator, which is made up of glass fiber, cellulose, paper, or Teflon coating. The separator is designed to prevent short circuit between the poles and allow for high temperature operation. The winding is covered with an insulating material of low-loss dielectric, which provides capacitance and voltage protection. The advantages of using MAL250074222E3 aluminum electrolytic capacitors include high temperature and voltage tolerance, long lifetime and high reliability, low Equivalent Series Resistance (ESR), and high capacitance value. The long lifetime of the MAL250074222E3 makes it a good choice for power supplies where reliability and temperature performance are required. The low ESR and high capacitance values ensure that the capacitors are able to store high amounts of energy in a smaller size.In conclusion, the MAL250074222E3 aluminum electrolytic capacitor is a high temperature, high voltage device used in motor drive, energy storage, and electroplating fields. It provides high temperature performance, low ESR, high capacitance and high reliability. The MAL250074222E3 is a good choice for power supplies requiring temperature and voltage performance.

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