MKP1845368204

Operating Temperature:	-55°C ~ 100°C
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering; High Pulse, DV/DT; Snubber
Lead Spacing:	--
Termination:	PC Pins
Height - Seated (Max):	--
Size / Dimension:	0.709" Dia x 1.732" L (18.00mm x 44.00mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Series:	MKP1845
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	2000V (2kV)
Voltage Rating - AC:	700V
Tolerance:	±5%
Capacitance:	0.068µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

MKP1845368204 Application Field and Working Principle

Film capacitors, also known as polypropylene film capacitors, are capacitors with a polypropylene film dielectric. Compared to electrolytic capacitors, film capacitors are small in volume, light in weight, low in loss, good stability and high in insulation strength. It is widely used in various occasions. MKP1845368204 is an example of a film capacitor.

1. Application of MKP1845368204

The MKP1845368204 film capacitor is used for filtering, bypass, signal coupling, and automotive interference suppression. The MKP1845368204 capacitor is a non-inductive metallized polypropylene film capacitor with a radial lead shape. It is suitable for general applications, such as for filtering, bypass, and coupling signals, and for automotive interference suppression. Its features include low loss, high efficiency, low leakage current and wide capacitance range.

2. Operating principles of MKP1845368204

The operating principle of the MKP1845368204 film capacitor is based on the dielectric properties of polypropylene film. A dielectric is a material that exhibits the polarization of its atoms under electric field and the corresponding effect of electric displacement. According to the polarization characteristics of the dielectric, when an electric field acts on the material, the atom group in the material is in a deformed state, so that the electric field across the material appears a certain voltage, and the electric field lines are uniformly distributed, so that a certain electrostatic capacity is formed. The MKP1845368204 film capacitor consists of three layers of metalized polypropylene film and two pieces of aluminum-zinc-coated steel plates. A piece of aluminum-zinc-coated steel plate and a piece of polypropylene film are sandwiched between two pieces of metalized Kraft paper. The metalized Kraft paper and the aluminum-zinc-coated steel plate form the two poles of the capacitor. The two polypropylene films form the dielectric, and the drive of the dielectric is the electric field. When the charged capacitor is connected to the circuit, a current will circulate through the capacitor and charge the positive and negative poles of the capacitor. At this point, a certain voltage will be generated across the capacitor, and the current will gradually reduce until the initial charge is the same as the current flowing through the capacitor. At the same time, the electric field between the two electrodes of the capacitor will cause the electrostatic polarization of the dielectric, and the electric field between the two electrodes will gradually increase. Due to the long-term polarization of the dielectric, the nano-gap electrostatic capacity of the dielectric will gradually increase, and finally reach equilibrium and a certain capacitance value will be obtained.

Conclusion

In summary, the MKP1845368204 film capacitor is widely used in various applications such as filtering, bypass, signal coupling, and automotive interference suppression. Its features include low loss, high efficiency, low leakage current and wide capacitance range. Its working principle is based on the dielectric properties of polypropylene film. When the charged capacitor is connected to the circuit, a current will circulate through the capacitor, a certain voltage will be generated, and the electric field between the two electrodes of the capacitor will cause the electrostatic polarization of the dielectric, thus producing a nano-gap electrostatic capacity.

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