MKP1839162633

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Film Capacitors

Film capacitors are electronic components used in a wide range of applications. They are commonly used in power supplies, input and output filters, and other applications where high-quality, low-impedance filter capacitors are required. The MKP1839162633 film capacitor is a high-end capacitor that offers excellent performance in terms of high-frequency stability, low self-inductance, and low ESR. This article will discuss the application field and working principle of the MKP1839162633 film capacitor.

Application Field

Film capacitors, like the MKP1839162633, are typically used in applications where the frequencies are in the range of 10kHz-1GHz. High-frequency stability is crucial in these types of applications, as any signal fluctuations or instability can cause malfunctions of the system. The MKP1839162633 is especially suited for applications such as power supplies, input and output filters, and crossover networks, where a high-quality, low-impedance filter capacitor is required. It is also well-suited for noise filtration and radiation immunity applications.

Working Principle

The working principle of film capacitors is based on dielectric thin films. In most cases, the dielectric is composed of polypropylene or polyester materials. The MKP1839162633 is a metallized polypropylene capacitor, which is composed of three main layers: an electrodes metallization layer, a thin and double-sided film layer, and an insulating base layer. The electrodes metallization layer is composed of two metal layers, the top one being an electrostatic shield and the bottom one an active electrode. The thin and double-sided film layer acts as a dielectric, while the insulating base layer is made up of an epoxy-glass laminate.

When a voltage is applied to the capacitor, the active electrode develops a charge. This charge creates an electrostatic field between the two metal layers, which increases as the voltage is increased. This electrostatic field creates a barrier between the two metal layers and prevents electrons from passing through, resulting in a capacitance. The MKP1839162633 has a very low internal equivalent series resistance (ESR), which means that the capacitor is capable of quickly storing and releasing charge.

Conclusion

The MKP1839162633 film capacitor is an excellent choice for applications requiring high-frequency stability, low self-inductance, and low ESR. It is capable of quickly storing and releasing charge, and is suitable for applications such as power supplies, input and output filters, and crossover networks. Its three-layer design (electrodes metallization layer, double-sided film layer, and insulating base layer) is what makes this type of capacitor so effective in these applications.

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