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All of our metallized film capacitors use the maximum lowest possible resistivity metallized layer for a given film thickness which is vacuum deposited on a biaxially oriented polypropylene film.

The FAST CAPACITOR ™ concept is mainly obtained by decreasing the film width from the standard round tubular winding type configuration to a shorter FAST tubular “square aspect ratio” round winding type which decrease the winding resistivity and also increase the contact area.

The decrease of the film width will decrease by the same percentage the resistivity of the winding and the capacitor transit time, hence the name “FAST”. The increase of the contact area of the winding ends will increase by the same percentage the current carrying capacity.

These two main factors, lower winding resistivity and larger contact area will decrease, by a measurably large amount equal to the “Performance Improvement” percentage, the Equivalent Series Resistance and the Dissipation Factor of the capacitor.

This superior concept significantly improved the electrical and mechanical characteristics of the film capacitor. They deliver a high level of performance that has never before been achieved, which will directly enhance the efficiency of any electronic or electrical equipment. SOLEN polypropylene metallized FAST CAPACITOR™ outperform any other similar capacitors: multi sections, segmented, oval, stacked, ordinary or otherwise, due to our unique short length, large diameter, FAST design. It is as simple as that.

They have lower dielectric absorption factor, lower equivalent series resistance, lower inductance, higher resonant frequency, more linear impedance, lower dissipation factor, higher current capacity, faster rise time, unrivalled handling of fast high current pulse, high temperature stability, excellent long term electrical and mechanical reliability and a better damped mechanical self resonance under dynamic signal conditions.

Consequently, the SOLEN FAST CAPACITOR ™, for instance, represents an astonishing leap forward in capacitor design and engineering standards.

SOLEN, the Film Capacitors against which ultimately all the others must be judged.

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