MKT1822547255

Voltage Rating - DC:	250V
Features:	--
Ratings:	--
Applications:	General Purpose
Termination:	PC Pins
Package / Case:	Radial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 100°C
Dielectric Material:	Polyester, Metallized
Series:	MKT1822
Voltage Rating - AC:	160V
Tolerance:	±10%
Capacitance:	4.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors, also known as plastic film capacitors, are capacitors that use thin plastic film as the electrolyte. Film capacitors are widely used in various applications due to their unique advantages, such as their small size, their high stability over temperature and long service life. MKT1822547255 is a type of film capacitor, and it features high insulation resistance, low distortion, high reliability and long service life.

Application Field

The MKT1822547255 film capacitors are suitable for various electronic applications, such as voltage stabilizing, surge absorption, filters, and snubbers. They are especially used in communication, audio and electrical systems, as well as in power supplies. The MKT1822547255 are also suitable for AC, DC, and switching power supplies, as well as for circuit stabilization.

Working Principle

The MKT1822547255 is a kind of film capacitor which uses the plastic as the dielectric substance. It is made up of two thin parallel electrodes, separated by a thin plastic film. The main difference between a film capacitor and other types of capacitors is that a film capacitor uses a much thinner dielectric medium. The thickness of the plastic dielectric medium is usually only 0.1 μm or less, while the thickness of the other dielectrics is usually several orders of magnitude larger. This makes the film capacitor much more efficient than other types of capacitors.The MKT1822547255 is a general purpose film capacitor, which consists of two thin oxidized aluminum electrodes, dielectric film layers, and metal end plates. The electrodes are deposited on the dielectric film layers using a vacuum evaporation process. The capacitor is then heated to a temperature of approximately 600⁰C to anneal the electrodes. This helps to improve the capacitor’s stability over temperature and increases its service life.The MKT1822547255 has a wide operating temperature range of -25⁰C to +85⁰C and an insulation resistance of up to 100GΩ at 25⁰C. It has a low moisture absorption rate of less than 0.2% at relative humidity of 85% and exhibits good ripple current characteristics. The capacitor can also handle high voltage surges without any damage.

Conclusion

The MKT1822547255 is a type of film capacitor that offers superior performance in various electronic applications. It exhibits high insulation resistance, low distortion, high reliability and long service life. The MKT1822547255 is suitable for AC, DC, and switching power supplies, as well as for circuit stabilization, voltage stabilizing, surge absorption, filters, and snubbers.

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