MKT1820433256W Capacitors

Operating Temperature:	-55°C ~ 125°C
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering
Lead Spacing:	0.394" (10.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.453" (11.50mm)
Size / Dimension:	0.512" L x 0.256" W (13.00mm x 6.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKT1820
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	250V
Voltage Rating - AC:	160V
Tolerance:	±20%
Capacitance:	0.33µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Film capacitors, also known as film dielectrics or polymer film capacitors, refer to capacitors with layers of plastic film as electrodes and thin layers of metal foil as electrodes, which are shaped into cylindrical, rectangular or oval shapes. The MKT1820433256W is one type of film capacitor.

Application Field

The MKT1820433256W are general purpose film capacitors which are widely used in many fields. With features such as low ESR (Equivalent Series Resistance), low dielectric losses, and high reliability, they are mainly used in applications such as High-frequency Amplifiers, Computer Motherboards, Automotive/Aviation electronics, ISDN, Ethernet, Telecommunication, Broadcast, and many other commercial and industrial applications.In audio technologies, these capacitors are used in audio related applications such as amplifiers, speaker drivers, loudspeakers, and microphones, among many other audio applications. They are also used for signal and pulse filtering, ac peak suppression, electrostatic shielding, power factor correction, smoother motor control, timing circuit control and noise control.

Working Principle

Film capacitors, like all capacitors, work by storing electric charge in an electrostatic field which forms between two conducting objects. In the case of the MKT1820433256W, two conducting films are made of plastic, wrapping around each other in a cylindrical shape with metal foils forming the plates between them. The plastic film acts as a dielectric which gives the capacitor its high capacitance.When an electric current is applied to the capacitor, the two conducting films will build up an electric charge due to the electrostatic forces acting between them. This electrical charge will be stored in the capacitor until it is discharged. When the capacitor is discharged, the charge is dissipated and the voltage drops to zero.

Conclusion

The MKT1820433256W is a type of film capacitor which is widely used in various applications such as high-frequency amplifiers, computer motherboards, audio technologies, and many other commercial and industrial applications. It works by storing electric charge in an electrostatic field which forms between two conducting films wrapped around each other with metal foils in between. As the current is applied, the charge will be stored in the capacitor until it is discharged, after which the voltage drops to zero.

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