MKT1813447254

Operating Temperature:	-55°C ~ 100°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	--
Termination:	PC Pins
Height - Seated (Max):	--
Size / Dimension:	0.354" Dia x 0.748" L (9.00mm x 19.00mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Series:	MKT1813
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	250V
Voltage Rating - AC:	160V
Tolerance:	±5%
Capacitance:	0.47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors, also called polyester capacitors, are a type of capacitor that uses plastic film as the dielectric. Film capacitors have excellent insulation, high heat resistance and good frequency characteristics compared to other capacitor types. The MKT1813447254 is a film capacitor which can deliver reliable performance and excellent stability. Its application field and working principle will be discussed in this article.

The MKT1813447254 is a polyester capacitor with a radial leaded aluminium can package. The typical capacitance ranges from 0.0022μF to 0.47μF and its maximum voltage can reach 630VAC (working temperature is -40℃ to 85℃). This capacitor is perfect for use as a noise filter and in DC filtering applications in audio, telecommunication and industrial equipment. In addition, the MKT1813447254 has a good performance in coupling and high frequency switching applications. All components are RoHS compliant.

The MKT1813447254 features a plastic film dielectric and metallic foil as electrodes. The plastic film is a polyester film dielectric, usually two layers of PET PET film, the space between two layers of length, width and thickness can be adjusted independently or even different for the production of capacitors with different capacitance. The polystyrene film is very thin, only about 0.075mm. The silver-plated aluminium foil is used to make the electrodes and connected to the outer casing of the capacitor. These two layers are symmetrically arranged and connected to the positive and negative terminals.

The working principle of the MKT1813447254 is based on the electric field between two layers of the dielectric. When a voltage is applied across the device, an electric field is formed between the two layers of polyester film. This electric field will create a potential difference between the two layers, and the effect of the electric field will produce a capacitance. This capacitance is defined by the equation C=εA/d, where C is the capacitance, ε is permittivity, A is the area of the overlap, and d is the distance between the electrodes. Increasing or decreasing any of these parameters will have an effect on the values of capacitance, and it can be used to tune the capacitance of the device to get the desired value.

In conclusion, the MKT1813447254 is an excellent film capacitor that can provide reliable performance and stable operation in a wide range of applications. Its working principle is based on the electric field that is formed between the two layers of the dielectric, creating a potential difference and determining the capacitance of the device. This capacitor is perfect for many applications, like in audio, telecommunication and industrial equipment, and it is compliant with RoHS regulations.

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