Operating Temperature:	-55°C ~ 110°C
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering; High Frequency, Switching; High Pulse, DV/DT
Lead Spacing:	1.083" (27.50mm)
Termination:	PC Pins
Height - Seated (Max):	1.220" (31.00mm)
Size / Dimension:	1.220" L x 0.827" W (31.00mm x 21.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKP385
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1000V (1kV)
Voltage Rating - AC:	350V
Tolerance:	±5%
Capacitance:	0.82µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Film Capacitors

Introduction

Film capacitors, also known as plastic film capacitors, are typically a small device that consists of two thin plastic films separated by an electret material. They are mainly used in numerous electronic circuits, such as RF, audio, instrumentation, and power-supply circuits. Typically, film capacitors are built with thin plastic films, ceramic dielectric material, metal foil, and some other materials.

MKP385482100JKM2T0 application field and working principle

The MKP385482100JKM2T0 film capacitors are designed for high-frequency applications such as LCD panels and telecommunications components. This type of capacitor consists of two metalized electrodes made of copper foils and a plastic film which is made of a basic polyester resin. The electrodes are coated with an electret material and the plastic film is placed between them, thus forming a capacitor.The working principle of the MKP385482100JKM2T0 film capacitors is fairly simple. An alternating voltage is applied to the capacitor, causing electric fields to be created on the two electrodes. The current flows through the dielectric medium of the plastic film, creating an electric field which is essentially a displacement of charge. The capacitance is determined by the surface area of the electrodes, the dielectric constant, and the distance between the electrodes.

Advantages of MKP385482100JKM2T0 Film Capacitors

The MKP385482100JKM2T0 film capacitors have several advantages over conventional capacitors. These include excellent stability, better high frequency performance, lower noise levels, higher voltage ratings, and good insulation characteristics. The stability of film capacitors is very good, as they are not affected by changes in temperature or humidity. The dielectric used in the construction of the capacitor starts off as an ideal insulator, which means that very little charge is transferred across the film. As a result, the capacitance value stays the same over time, regardless of any external conditions. This is in contrast to other types of capacitors, which may experience leakage or variation in their capacitance values.Another benefit of film capacitors is their superior high-frequency performance. As the frequency of the signal increases, other types of capacitors tend to start losing their performance and become increasingly unstable. The film capacitors are able to maintain their performance even when used at high frequencies, making them ideal for applications such as RF circuits.The noise levels of the MKP385482100JKM2T0 film capacitors are much lower than those of other capacitor types. This is due to the fact that the dielectric material used in their construction is very good at blocking out any external electrical noise. This makes them perfect for use in circuits that require low-noise performance, such as audio circuits. Film capacitors are also able to withstand much higher voltage ratings when compared to other capacitor types. This makes them suitable for use in circuits where the voltage levels are high, such as power-supply circuits. The insulation characteristics of film capacitors are also very good, making them ideal for use in circuits where EMI and RFI noise needs to be kept to a minimum.

Conclusion

Film capacitors are an ideal choice for a wide range of electronic circuits, including RF, audio, instrumentation, and power-supply applications. The MKP385482100JKM2T0 film capacitors, in particular, offer excellent stability, high-frequency performance, low noise levels, higher voltage ratings, and good insulation characteristics. Ultimately, film capacitors are an ideal choice for numerous electronics applications.

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