MKP386M515125JT4

ESR (Equivalent Series Resistance):	7 mOhms
Features:	Low ESR
Ratings:	--
Applications:	Snubber
Lead Spacing:	1.496" (38.00mm)
Termination:	Screw Terminals
Height - Seated (Max):	1.811" (46.00mm)
Size / Dimension:	1.732" L x 1.181" W (44.00mm x 30.00mm)
Package / Case:	Rectangular Box
Mounting Type:	Chassis Mount
Operating Temperature:	-55°C ~ 105°C
Series:	MKP386M
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1250V (1.25kV)
Voltage Rating - AC:	550V
Tolerance:	±5%
Capacitance:	1.5µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors are a type of capacitor created using plasticized polymer film as the dielectric material. They were developed in the 1950s as a way to maintain very stable capacitance values despite large variations in environmental conditions. The materials used to make film capacitors are usually various types of organic dielectrics, such as PP, PEN, PPS, PTFE and other polymer films.

MKP386M515125JT4 Application Field

The MKP386M515125JT4 is a polypropylene metallized film capacitor, which can be used in a variety of electronic circuits and applications. It offers excellent frequency response and high pulse capability, making it suitable for use in a wide range of applications. It is suitable for use in active filtering applications, as it can help to reduce the amount of harmonics and other external interference in the power line, thus improving system efficiency. In addition, it offers superior damping characteristics when used in power factor correction designs, which help to reduce power line disturbances caused by switching devices or load changes. It can also be used in ceramic resonators, as it is able to provide an excellent frequency response.

MKP386M515125JT4 Working Principle

The working principle of the MKP386M515125JT4 is relatively simple. It is composed of two conductive metallic layers that are separated by a dielectric plastic film. When a voltage source is applied across the two metallic layers, an electric field forms between them, causing a capacitance effect. This capacitance is determined by the permittivity of the dielectric, the distance between the two metal layers, and the plate area of the capacitor. The MKP386M515125JT4 is designed to provide improved frequency response and improved damping characteristics, which helps to reduce system noise caused by switching devices or load changes.

Advantages of Film Capacitors

Film capacitors offer a number of advantages compared to other types of capacitors. Compared to ceramic and electrolytic capacitors, film capacitors are more stable and reliable, as they are less affected by temperature and humidity variations. They also offer excellent frequency response, meaning that they can filter out high or low frequency signals. In addition, they have very low self-inductance, making them ideal for high frequency applications. They are also highly resistant to mechanical shock and vibration, making them a great choice for use in portable and automotive applications.

Disadvantages of Film Capacitors

Despite the many advantages, film capacitors also have some drawbacks. They are relatively expensive compared to other types of capacitors, and they are not as versatile. They also tend to have lower maximum capacitances than ceramic and electrolytic capacitors. Furthermore, they suffer from lower tolerances than other types of capacitors, so they are not suitable for applications that require precise capacitance values.

Conclusion

The MKP386M515125JT4 is a film capacitor that can provide excellent frequency response and high pulse capability. It can be used in a variety of electronic circuits and applications, and offers excellent damping characteristics for power factor correction designs. While it does have some drawbacks, such as a higher cost and lower maximum capacitance, it is still a great choice for many applications.

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