MKP1847540444P4

Voltage Rating - DC:	--
Features:	Long Life
Ratings:	--
Applications:	DC Link, DC Filtering; EMI, RFI Suppression; High Pulse, DV/DT
Termination:	PC Pins
Package / Case:	Radial - 4 Leads
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C
Dielectric Material:	Polypropylene (PP), Metallized
Series:	MKP1847
Voltage Rating - AC:	440V
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 are also known as film dielectric capacitors, AC-rated capacitors, or AC-rated film dielectrics. They are widely used in electronic equipment, where their unique characteristics make them ideal for a variety of applications. Generally speaking, film capacitors exhibit lower equivalent series resistance, higher insulation resistance, better capacitance stability, and higher dielectric absorption than other types of capacitors. Because of this, film capacitors can be used for a wide range of applications, including timing circuits, amplifiers, converters, and power supplies. The MKP1847540444P4 is a xxuF, xxVAC film capacitor. It is a polyester film capacitor, typically used in AC-rated applications such as switching power supplies. The capacitor is designed for operating temperatures from –40°C to +85°C, has a high ripple current of xxA and tolerance of xx%. It is rated for an impulse voltage of xxkVrms and a maximum voltage of xxVAC RMS.The unique structure of film capacitors makes them well-suited for use in AC-rated applications. Polyester film capacitors are constructed from layers of aluminum foil and polyester film. The aluminum foil layers are wound together, separated by layers of polyester film. By controlling the distance between the aluminum foil layers, the capacitor\'s capacitance can be adjusted.The unique properties of film capacitors give them distinct advantages when compared with other types of capacitors. The dielectric constant of the film is high, making them better suited for handling AC signals. Additionally, their self-healing properties ensure that they can withstand high voltages without failing. As a result, they have a superior long-term stability and can handle high-current surges without becoming damaged.In addition to being used in AC-rated applications, film capacitors are also used in power electronics. They can be used in power converters, inverters, and motor drives, due to their high dielectric strength and fast response time. The film capacitors\' high capacitance per unit volume makes them ideal for applications in which a large amount of capacitance is required but size constraints are an issue.The working principle of a film capacitor is simple: when voltage is applied to the capacitor, the electric field between the metal plates, or "terminals," causes the plates to become polarized. The electric field induces a charge on the plates, creating a storage of electrical energy. When the capacitor is discharged, the stored energy is released.Film capacitors are also known for their low electrical leakage. This is because the polyester film acts as an insulating barrier between the metal plates, preventing current from passing through it and escaping through the capacitor. As a result, the leakage current through a film capacitor is typically much lower than that of other types of capacitors.The MKP1847540444P4 is an ideal choice for many AC-rated applications. Its high capacitance and low equivalent series resistance make it a great choice for applications that require high current surges and high stability. Additionally, its self-healing properties and low electrical leakage make it a reliable performer in power electronics and other demanding applications.

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