MKP1848540454K2

ESR (Equivalent Series Resistance):	20.5 mOhms
Features:	Low ESR
Ratings:	AEC-Q200
Applications:	Automotive; DC Link, DC Filtering
Lead Spacing:	1.083" (27.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.827" (21.00mm)
Size / Dimension:	1.260" L x 0.433" W (32.00mm x 11.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 105°C
Series:	MKP1848
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	450V
Voltage Rating - AC:	--
Tolerance:	±5%
Capacitance:	4µF
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, film dielectric capacitors, are components of electrical circuits that usually consist of a plastic film as the dielectric, sometimes combined with paper as well as metal foils as electrodes. They have a wide range of applications, ranging from low voltage signal coupling capacitors used in consumer electronic equipment to ac power-filtering circuits in electrical equipment.The MKP1848540454K2 is one type of film capacitor. It is a metallized polypropylene capacitor. It is typically used in 50/60 Hz mains applications, snubber circuits, and input/output power supply coupling applications. It has an exceptionally low Dissipation Factor (DF) and decent tolerance. It features a high operating temperature range and enhanced performance under high-frequency applications.The MKP1848540454K2 is a low-ESR component that is used for decoupling and filtering applications in power supplies up to 400V and 80A. In consumer electronic purchases, the MKP1848540454K2 is also commonly used for snubber circuits and input/output power supply applications.One of the key advantages of this film capacitor is its very low ESR (equivalent series resistance). This allows it to be used as a low-impedance path to the ground, which is important for proper performance in circuits with high-frequency components.The dielectric of the MKP1848540454K2 is made of polypropylene film, which is a thin, light plastic film material that does not easily break or tear. The electrodes on the capacitor are made of aluminum foil and the casing is usually made of a plastic housing, either transparent or opaque.As the capacitor is made of thin plastic film, its primary application is as an AC transient filter. It is particularly useful in applications such as audio and power supply decoupling, where the high-frequency components need to be suppressed. The low ESR of the MKP1848540454K2 also means it can be used for ripple current low-pass filtration, which can reduce the high-frequency noise generated by electrical motors.The working principle of the MKP1848540454K2 is the same as any other type of capacitor. It works by storing electrical energy as an electrostatic field between the two electrodes. This field creates an electric charge proportional to the applied voltage, allowing current flow through the capacitor. By controlling the storage and release of the electrical energy, the MKP1848540454K2 can be used to filter out high-frequency noise, reduce ripple current, and suppress transient voltage spikes.In summary, the MKP1848540454K2 is a type of plastic film capacitor that is typically used in AC transient-filtering applications, such as audio and power supply decoupling, down conversion power supply filtering, and snubber circuits. It has an exceptionally low ESR which makes it ideal for high-frequency applications, and the polypropylene film dielectric provides a long operating life.

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