WMF4P22K

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Film capacitors, also known as plastic film capacitors, are a type of capacitor made of a thin polymer film dielectric layer and two aluminum or copper electrodes. Over time, as electrical technology has developed, film capacitors with higher operating voltages, smaller size, and lower losses have been developed. The WMF4P22K is a film capacitor from World Electrics that is highly reliable and has features that make it suitable and important for wide ranging high perormance applications.

Applications

The WMF4P22K is a high performance film capacitor suitable for a variety of applications in the electronics and power industries. Its high energy density makes it suitable for many resonant circuit applications as well as increased operating voltage conditions, such as across the line motor starting and power conversion uses. It is also suitable for high frequency switching applications such as DC-DC power supplies, telecommunications, high-end audio, and medical equipment. The low losses, low ESR, high ripple current, and low parasitic inductance make it an ideal choice for high frequency and pulse current applications.

Working Principle

The basic working principle of a film capacitor propels from the same mechanisms as other capacitor types. It is able to store electrical charges within a dielectric material by essentially preventing current from passing from one electrode to another, EXCEPT within the dielectric material. This is achieved by the charge generated by the capacitance producing an electric field within the dielectric material that opposes the flow of current within the space separating the two plates of the capacitor.

The WMF4P22K utilizes the basic mechanism of a film capacitor to create smaller, high performance capacitors. It utilizes a thin dielectric (plastic film or paper) between two metallic layers, either aluminum or copper, to create a high performance capacitor. It is in the dielectric material that the electric field is generated and when this is combined with higher temperature and humidity tolerances and decrease in size, the WMF4P22K is an ideal choice for high performance applications.

Conclusion

The WMF4P22K high performance film capacitor is a highly reliable product suitable for electronics and power applications. Its small size, low ESR and parasitic inductance, and high ripple current make it an Ideal choice for high frequency, pulsed current, and resonant circuit applications. Furthermore, it offers high energy density and increased operating voltage conditions, making it useful for across the line motor starting and power conversion applications. With its wide array of features, its suitability for use in many high performance applications is clear.

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