MKP385322040JCA2B0

Operating Temperature:	-55°C ~ 110°C
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering; High Frequency, Switching; High Pulse, DV/DT
Lead Spacing:	0.295" (7.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.354" (9.00mm)
Size / Dimension:	0.394" L x 0.157" W (10.00mm x 4.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKP385
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	200V
Tolerance:	±5%
Capacitance:	0.022µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Film Capacitors

Film capacitors, also known as polypropylene capacitors, are a type of capacitor used in several applications, from high-voltage power supplies to audio systems. They are composed of a thin film of plastic (usually polypropylene, but sometimes polyester) which is rolled up between two electrodes. This thin plastic film acts as an insulation layer, allowing electric current to pass between the two metal plates without allowing them to touch each other. Film capacitors are commonly used in many types of electronics, from amplifiers to circuit boards.

Advantages of Film Capacitors

Film capacitors are one of the most reliable types of capacitors available. They provide excellent performance and durability, with minimal voltage ratings over a wide temperature range. In addition, they are cost-effective since they can be mass-produced for low costs. Film capacitors also have excellent voltage handling and ripple current capabilities, allowing them to handle higher voltages than other types of capacitors. Lastly, since they are made of thin plastic films, they can be manufactured with smaller physical dimensions than other types of capacitors.

MKP385322040JCA2B0 Application Field and Working Principle

The MKP385322040JCA2B0 capacitors are film capacitors specifically designed for automotive application, such as electronic spark advance (ESC) control. These capacitors have a temperature range of -40°C to +85°C and are available with an operating voltage up to 420Vdc.The working principle of film capacitors is based on the displacement of electrons and ions in the film. Basically, when a voltage is applied across the electrodes, the electrons are displaced, allowing the current to travel through the capacitor. This displacement of electrons occurs in an orderly fashion, creating a smooth voltage potential over the capacitor that is not affected by the oscillating circuit voltage. As a result, film capacitors have excellent voltage handling capabilities and provide excellent capacitance values over a wide range of frequencies.

Conclusion

In conclusion, film capacitors, such as the MKP385322040JCA2B0, are a reliable and cost-effective type of capacitor specifically designed for automotive applications. They provide excellent performance and durability and can handle higher voltages than other types of capacitors. Film capacitors also offer excellent operating voltage ratings and low-loss characteristics when operated over a wide temperature range. As such, film capacitors have become an important component in many electronic and automotive applications.

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