MMP4P47K-F

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Film capacitors are widely used in power supplies, voltage-dividing, filtering, and bypassing circuits, with their low equivalent series resistance (ESR) and short response time. They have particularly been used increasingly over the past few decades because of their efficacy and cost-effectiveness. One of the most popular types of film capacitors is MMP4P47K-F, which is widely used in term of its properties, application fields, and working principle.

Properties

MMP4P47K-F film capacitors are composed of polypropylene (PP) film and aluminum foil electrodes. It has higher insulation resistance, excellent self-contain capability and uniform dielectric thickness. Its most notable feature is its highly stable capacitance, which varies only ±10% up to the rated voltage. Its capacitance ranges from 0.022μF to 2.2μF, which makes it suitable for many applications.

Application Fields

MMP4P47K-F film capacitors are suitable for high-frequency AC circuits, lightning strike and surge protection circuits, and various electronic/electrical applications. It is often used in low-pass filtering, high-frequency resonance, DC blocking, and motor start-up circuits. It can be used in power supplies and motor starters, as well as in AC voltage dividers and wind turbines.

Working Principle

The basic working principle behind MMP4P47K-F film capacitors is similar to that of any other film capacitor. When an electrical current is applied across its two electrodes, it creates an electric field, by which charges flow from one electrode to the other. This separation of charges creates an electric potential difference between the two electrodes, which is the capacitance.

MMP4P47K-F film capacitors have a unique polypropylene dielectric layer, which makes them highly effective at storing charge. This polypropylene layer has a higher resistivity than other polymer-based materials, meaning that it can store much more charge than other capacitors. In addition, it has a low dissipation factor and a wide temperature range, making it suitable for use in many different applications.

MMP4P47K-F film capacitors are widely used in modern electronic and electrical applications, due to their high capacitance, low ESR, and superior performance in terms of storage efficiency. They are also very cost-effective, making them suitable for various applications where cost is an important factor.

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