MKT1817333016G

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Film capacitors are widely used for a variety of power electronics applications. The MKT1817333016G model is a film capacitor designed for voltage-dropping applications that require high-frequency switching or extended ripple discharge times. This capacitor is primarily used to reduce voltage spikes due to switching and to regulate the output voltage of switching power supplies and AC-DC converters by allowing a wide variation in conduction times. The MKT1817333016G is a low-dielectric absorption unit with good self-healing characteristics and low leakage current.

The MKT1817333016G film capacitor consists of two primary parts: an anode and a cathode. The anode is coated with an electrolytic powder or other dielectric material and the cathode is made from a metal plate or foil. The two components are connected by a series of electrical contacts that complete the circuit and allow the capacitor to operate. The dielectric material is what gives the capacitor its voltage rating; the higher the voltage rating, the higher the dielectric constant will be. The MKT1817333016G is rated for a capacitance value of 4700μF (microfarads) and a maximum operating voltage of 250VDC (volts direct current).

When a voltage is applied to the MKT1817333016G, it will store the energy as a static electric field. As this electric field changes, the capacitance will fluctuate as well. This electric field creates an electromagnetic field around the capacitor, which can cause interference with nearby signals if not properly shielded. To prevent this interference, the MKT1817333016G is fitted with a shield to reduce electromagnetic radiation. The shield is usually made of aluminum or a similar material and is designed to absorb or reflect any electromagnetic radiation.

The MKT1817333016G also has a self-healing characteristic that can help reduce long-term damage due to voltage overloading and arcing. When the capacitor is subjected to a high voltage spike, the dielectric material in the anode will vaporize and a spark will be created. The spark then creates a conductive surface that helps dissipate the charge and reduce the effects of the electrical over-stress. This self-healing process helps the MKT1817333016G avoid major damage and allows it to perform in applications with high voltage transients.

The MKT1817333016G is primarily used in high frequency switching, such as AC-DC converters, and offers a longer life expectancy than standard electrolytic capacitors. It is also an ideal choice when voltage regulation is needed, as it features low dielectric absorption and low leakage current. This makes the MKT1817333016G an ideal choice for applications in industrial, telecom and computer equipment, as well as automotive and consumer electronics.

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