335MKP275KHF

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Film capacitors, also known as Metallized Polypropylene Film Capacitors (MKP275KHFMKPs) are a type of capacitor that has been designed for certain applications. Unlike single-layer capacitors, these capacitors consist of two or more layers of dielectric material such as plastic or metal, which are then sandwiched between two conducting layers. This design offers a capacitor with greater capacity and higher performance than what can be achieved with single-layer capacitors.

The most common application for MKP275KHFMKPs is in AC mains circuits where it is used to filter harmonics and reduce EMI noise. The capacitors are also used in DC circuits, such as audio circuits and DC motors. In some cases, it is also used to store energy.

The working principle behind the MKP275KHFMKP capacitor is based on the dielectric materials. When a voltage is applied across the two conducting plates of the capacitor, an electric field is generated between them. The electric field causes a flow of electrons and thus, an electric current. This current will continue until the charge stored in the capacitor is equal to the voltage present. The large surface area of the dielectric material and the thinness of the film lead to a high capacitive value.

The MKP275KHFMKP capacitor can handle voltage up to 2kV and temperatures from -40°C to +125°C. The capacitance ranges from 0.047µF up to 2.2µF. The capacitance value also depends on the type of dielectric material used, the thickness of the film, and the number of layers present.

The MKP275KHFMKP capacitor is better suited to high frequencies due to its high dielectric strength, low ESR and relatively low self-inductance. This makes it ideal for high-frequency applications such as in audio, electronic filters, motor drives, power supply filtering, and DC/AC power conversion.

It’s important to note that the MKP275KHFMKP capacitor isn’t recommended for use in switching power supplies and other circuits that require a large in-rush of current for a short duration of time. This is due to the fact that the dielectric material of the capacitor may be saturated, leading to potential failure.

In conclusion, the MKP275KHFMKP capacitor is a high-performance and versatile type of capacitor that can be used in a variety of applications. It has a wide temperature range and can handle voltages up to 2kV. With its low ESR, low-inductance, and high capacitance, this capacitor is well-suited to high-frequency circuits such as audio and motor drives and is an excellent choice for power conversion and filtering.

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