B32529C1224J000

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Film Capacitors

A film capacitor, sometimes referred to as a plastic film capacitor, is a type of capacitor that relies on powered films to create a reliable electrical field. The driven films include the polypropylene, polystyrene, polycarbonate, polyethylene terephthalate and polyphenylene sulfide films. Film capacitors are reliable and efficient components, commonly used in applications from AC rectification in regulated power supplies, to coupling and decoupling, across-the-line, in-rush current limiting, and grounding. The most widespread use of film capacitors is in electronic filters, as they are superior to aluminum electrolytic and paper capacitors in terms of stability, temperature-dependence, and self-healing.

B32529C1224J000 Application Field and Working Principle

The B32529C1224J000 is a film capacitor designed by the German manufacturer Epcos and part of the B32529 series, which is a long-life, low-loss capacitor with a high-voltage and high dielectric constant. The B32529C1224J000 capacitor is designed specifically with a voltage of 400 volts and a capacitance value of 120 nanofarads.

The B32529C1224J000 is mainly used in power electronics and AC circuits, suitable for a variety of DC and AC filter networks. It is used in switching power supplies, electrical motors, industrial power supplies and radio transmitters. It is also suitable for a variety of noise reduction, impedance matching and filtering applications. These capacitors are used to damp out fast transients and for the operation voltage dependent nature in applications to minimize the ripple or noise on cards or used in easy EMC tests.

The B32529C1224J000 capacitor works under the principle of electronic displacement, just like all films capacitors. When an alternating current is passed through the capacitor, the high voltage applied to the main electronic field causes the molecules in the film to rearrange. This leads to the formation of tiny blisters, reducing the distance between the capacitor plates. The area between the capacitor plates is one of the main factors governing the capacitance value of film capacitors.

Thanks to the good performance of the molecular combination of the film capacitor and the properties of the dielectric, the capacitance value and the stability of the film capacitor are very good. The B32529C1224J000 capacitor can offer high levels of stability and resonance with minimal losses at high frequencies, making it highly suitable for coupling, decoupling and in-rush current limiting applications.

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