UNL4W80K-F

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Film capacitors, or plastic film capacitors, are passive components commonly used within electronic circuits and other power systems. One of the most popular film capacitors is the UNL4W80K-F, which has a wide variety of applications and a very specific working principle.

Film capacitors are preferred over other types of capacitors due to their superior performance, long life, and small size. The UNL4W80K-F has a capacitance of 780 nF, a voltage rating of 250 V AC, and a self-healing sintered dielectric. This capacitor is resistant to temperature changes, thermal shock, mechanical shock, and other environmental stresses. It also provides excellent reliability and very low ESR (equivalent series resistance) values.

The UNL4W80K-F’s main application field is in power factor correction systems, voltage stabilizers, and constant voltage transformers. Its working principle is simple yet very efficient. It works by storing the energy from incoming alternating current in its electric field between two metallic plates. The positive and negative charges accumulate on the plates, leading to the circulation of an electric field. This electric field causes a voltage drop between the plates, which stabilizes the flow of alternating current.

The UNL4W80K-F also has many other applications, such as filtering, high-frequency circuits, high-stability resistors, and voltage multiples. It is also used to suppress high-frequency interference in both power circuits and data lines. It is particularly useful for high-frequency and high-duty cycle applications, due to its low ESR values. This makes it suitable for both small and large-scale applications.

Overall, the UNL4W80K-F is a highly efficient and reliable film capacitor that is used for a variety of applications in power systems, voltage stabilizers, and more. Thanks to its self-healing sintered dielectric and low ESR values, it provides excellent performance and an extended service life.

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