MKP386M547070JT3

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Film capacitors, which are also known as plastic film capacitors, are widely used in various applications due to their excellent electrical properties. The MKP386M547070JT3 film capacitor is a type of film capacitor with a small size and high capacitance which makes it ideal for applications such as high frequency filtering, power supplies, and signal processing.

The MKP386M547070JT3 film capacitor is a polypropylene capacitor with a maximum capacitance of 47µF. The maximum working voltage for the product is 500V, and the operating temperature range is -40°C to +125°C. This capacitor has a significant voltage coefficient, meaning that the capacitance is affected by changes in the applied voltage, with a typical temperature coefficient of -35V/V for the MKP386M547070JT3. The capacitance also decreases as temperature increases, with a typical temperature coefficient of -0.03V/V.

The construction of the MKP386M547070JT3 film capacitor makes use of a dielectric film, usually made of polypropylene, sandwiched between two metalized electrodes. The electrodes are usually made of aluminum or zinc and they are connected to the capacitor terminals. The electrodes are then metallized with either aluminum or zinc to provide electrical contacts. The direction of the metallization process is usually reversed between the two electrodes in order to provide better electrical contact and minimize the leakage current.

There are two main categories of film capacitors, depending on the dielectric, resistive or non-resistive. Resistive film capacitors have a higher dielectric constant and are more suitable for high frequency applications. While non-resistive film capacitors are better suited to DC applications. The MKP386M547070JT3 film capacitor is a non-resistive film capacitor and is ideally suited for use in DC power supplies, signal processing, high frequency filtering, and other applications.

The working principle of the MKP386M547070JT3 film capacitor is relatively simple. When a direct current is applied to the capacitor, an equal and opposite electric field is created, resulting in an electric charge build-up on the electrodes. At the same time, a dielectric layer resists this electric charge build-up and ultimately determines the capacitance of the device. This capacitance is the ratio of the charge stored in the capacitor to the change in voltage applied to the capacitor.

Overall, the MKP386M547070JT3 film capacitor is an ideal choice for applications such as high frequency filtering, power supplies, and signal processing due to its small size, high capacitance and excellent electrical properties. The construction of the device, consisting of a dielectric layer sandwiched between two metalized electrodes, along with its simple working principle, make it a great choice for such applications.

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