MKP385420040JFI2B0

Film Capacitors

Film capacitors are a type of capacitor developed using metallized plastic film insulation, as an alternate to other capacitor types such as electrolytic, paper, mica, or ceramic capacitors. Film capacitors are widely used in many types of electronic equipment, as they offer high performance at lower costs compared to other capacitor type and are extremely reliable. Film capacitors are available in a wide range of sizes, capacitance values, and voltages.

MKP385420040JFI2B0 Application Field and Working Principle

The MKP385420040JFI2B0 is a metallized polypropylene film capacitor with an insulated plastic case rated to 400 volts. It has a capacitance value of 4 microfarads and features a very low dissipation factor and low noise in comparison to other capacitors in its class. The MKP385420040JFI2B0 is designed for use in applications requiring high frequency operation and high precision circuit elements in audio signal transmission. It is used in a wide variety of applications such as:

• Audio amplification systems
• Video signal filtering
• Communication systems
• Power supplies
• Automotive electronics
• Medical equipment
• Robotics

The MKP385420040JFI2B0 capacitor works by storing electrical charge on two conductive plates. The plates are separated by a dielectric material (insulating material) to ensure electrical insulation between the two plates and to create an electric field. During operation, voltage is applied to one side of the capacitor, allowing current to flow through the capacitor and creating an electrical field. This electrical field stores energy, allowing the capacitor to release that energy when necessary. This stored energy can be used for a variety of purposes, such as powering a circuit or providing a voltage buffer to protect sensitive components from voltage fluctuations.

The MKP385420040JFI2B0 capacitor is well suited for applications requiring low voltage and high frequency operation, such as audio signal transmission. Its low dissipation factor and good noise characteristics make it ideal for precision circuit elements in high-end audio amplifiers. The capacitor is also suitable for use in a wide variety of other applications due to its wide operating temperature range and long life.