SFP30S12L238K-F

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Film capacitors are a type of capacitors with various properties that make them suitable for a wide variety of applications. The main attributes of film capacitors are their low loss, low volume, low cost, high ripple current capability and high insulation resistance. The SFP30S12L238K-F is an example of a Film Capacitor that offers several advantageous features that make it suitable for various applications.

The SFP30S12L238K-Fis a medium voltage, aluminum electrolytic capacitor featuring a fast film construction. It has a long guaranteed life and high stability due to its low internal resistance. This capacitor is available in an insulating case with an epoxy coating for additional environmental protection. Its capacitance range is from 0.047μF to 4700μF with a working voltage of between 30 and 300VDC.

The SFP30S12L238K-F is designed for a variety of pulse circuits, switching power supply filter circuits, motor starting electric circuits and water heaters of high efficiency. The capacitor provides low leakage current, superior ripple current capability, and a long working life.

The working principle of the SFP30S12L238K-F is based on the concept of reversible cell formation. The capacitor consists of “cells” formed by two sheets of dielectric (PTF) separated by aluminum foil electrodes. The capacitance of the cell is the ratio of the electrode area to the thickness of the electrolyte layer. The cells are joined together in an “equivalent capacitance network”.

When voltage is applied to the SFP30S12L238K-F, inert dielectric reacts with the electrodes according to the area and the thickness of the electrode, and forms a positive charge on one side of the electrode. The negative electric field created by the negatively charged electrode, repels the positive charges from the other side. This electric field attracts positive charges from the ground, thus creating the opposite charge which forms a capacitor.

The SFP30S12L238K-F combines several features to achieve superior performance. Its differential howage combining ability makes it ideal for switching power supplies, pulse circuits and motor starters. It also has a wide capacitance range which makes it suitable for various applications. Its superior leakage current, superior ripple current and long working life make it ideal for capacitor applications that require a stable performance. Furthermore, the capacitor is available in an insulating case with an epoxy coating for additional environmental protection.

In conclusion, the SFP30S12L238K-F is a versatile Film Capacitor with numerous advantageous features. Its low internal resistance, wide capacitance range, low leakage, superior ripple current capability, long working life and additional epoxy coating, make it suitable for a variety of applications.

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