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Film Capacitors

Film capacitors are one of the most widely used form of capacitors in the electronics industry. They are generally made of paper or plastic-type materials with a dielectric layer in between the two electrodes. The dielectric layer prevents electric current flow and can ensure a high level of electrical insulation. They are available in different sizes, ratings, shapes and capacities.

R46KI347040M1K Application Field and Working Principle

The R46KI347040M1K film capacitors from KEMET are specifically designed for use in high voltage applications such as power supplies, motor control, decoupling and filtering. The capacitors are constructed of double-sided kapton film dielectric with an epoxy resin coating that provides excellent protection in harsh environments. The R46KI347040M1K capacitors have an operating temperature range of -55°C to 150°C and offers excellent stability, low ESR and high capacitance values.

The working principle of the R46KI347040M1K film capacitors is similar to all other types of capacitors. The capacitor is made up of two metallic plates, separated by a dielectric material which can be a paper, oil, ceramic or any other material. The dielectric material is chosen such that it offers a high electrical resistance, preventing electric current from passing through it. When a voltage is applied across the plates, the dielectric material is polarized and stores the electrical energy. The capacitor can then discharge the stored energy when the voltage across it decreases.

Conclusion

The R46KI347040M1K film capacitors from KEMET are specifically designed for harsh environments where operating temperatures can range from -55°C to 150°C, and offers high capacitance values, low ESR and excellent stability. The capacitors are ideal for use in applications such as power supplies, motor control, decoupling and filtering, and work on the same principle as all other types of capacitors.

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