MMP6P68K-F

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Film capacitors belong to a special class of capacitors. They are defined by an insulating material - a thin sheet of an electrically insulating polymeric film - used as the dielectric. Film capacitors are specialized components primarily used for power factor correction and decoupling and filtering applications in power electronics. The MMP6P68K-F is an example of a film capacitor designed for these applications. It is specially designed for switching and dimmer circuits in LED and CFL lighting fixtures, particularly for AC/DC LED drivers and dimmers.

The MMP6P68K-F is based on metallized Polypropylene Film (PP Film), which makes it ideal for applications with high inrush currents and high peak currents. It has a very low dissipation factor of 0.0006, high thermal stability, and high insulation resistance. This makes the MMP6P68K-F highly stable and reliable in high voltage applications. Additionally, the model is flame-retardant and UL 94 V-0/5VA approved for use in indoor and outdoor lighting fixtures.

The MMP6P68K-F has a capacitance range of 6.8µF~68000µF with a working voltage range of 300~1600V. It can withstand voltage spikes of up to 2kV, and Operating Temperatures between -40℃ ~ +85℃(-40°F to +185°F). It is also suitable for frequency ranges from 50Hz to 500kHz. The MMP6P68K-F has a low ESR of 1mΩ maximum, and a low dissipation factor of 1.4% (-40 degree C/25 degree C) with an insulation resistance of 3000MΩ.

The MMP6P68K-F operates on an AC power source, where the alternating electric current passes through the capacitor. As the alternating electrical current passes through the capacitor, electric fields and electric charges are generated. The electric fields are responsible for storing and releasing the energy, while the electric charges are responsible for causing displacement currents that act as filters, restricting the passage of frequencies to only what is necessary in the system.

The MMP6P68K-F is specifically designed to have a low Self-Inductance (ESL) which allows it to efficiently reduce the ripple current coming from the AC/DC rectification circuitry. This, in turn, eliminates the EMI noise and reduces the electrical losses, resulting in more efficient operation. It is also designed to have a low Inductance-Capacitance (L-C) time constant, making it ideal for applications that require a fast current and voltage transient response.

The MMP6P68K-F is designed to be thermally reliable as well as vibration-resistant. It can be mounted on a board and exposed to the elements without suffering any degradation. Additionally, it can withstand high vibration forces, providing high reliability when exposed to high vibration environments. This makes the MMP6P68K-F suitable for use in transportation and construction equipment.

In summary, the MMP6P68K-F is a specialized film capacitor designed for AC/DC voltage regulation and power factor correction in LED and CFL lighting fixtures and other transportation or construction equipment. Its unique combination of features, such as its low dissipation factor, low Inductance-Capacitance (L-C) time constant, and its vibration-resistant design, makes it an optimal choice for these applications.

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