DME4P82K

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Film capacitors are a type of passive electronic components which are widely used in various electronic equipment. The DME4P82K is one of the widely used film capacitors in the industry. It is a dielectric film capacitor in a small size and aluminum body, designed for power electronics and various other fields. This article will discuss the application field and working principle of the DME4P82K film capacitor.

The DME4P82K capacitors are small-sized, bi-polar dielectric capacitors and their main application is in the field of power electronics. They are usually used in power circuitry that requires high-voltage power and current. These capacitors can withstand high currents at lower voltages and can be used to filter conducted interference in the power circuitry. The capacitors provide a good protection to electronic components against the power electronics noise and can be used to control the power supply current and voltage.

The construction of the DME4P82K film capacitor is made of an aluminum housing and two layers of dielectric oxide films with a thickness of 0.20 TO 0.40mm. The two oxide layers have different resistivity and different capacitance. The outer layer has a higher resistivity and a lower capacitance while the inner layer has a lower resistivity and a higher capacitance. The two layers are connected together by an epoxy resin and a dielectric dielectric film. The capacitor has a high thermal stability and will work in a wide temperature range.

The working principle of the DME4P82K film capacitor is based on the fact that a film is subjected to a voltage, it has an induced electric field that passes the two layers of dielectric oxide films. This causes an electrical charge difference between the two layers. When a current is applied, electric charges move between the two layers and produce a current. This current is used to store and release energy in the capacitor according to the value of the applied DC voltage.

The DME4P82K film capacitors are used in a wide range of applications, including DC-DC converters, digital circuits, audio/video equipment, high-voltage telecom infrastructures, medical devices, industrial automation, motor controls, computers, and many other applications. The capacitors offer excellent performance in line-frequency and switch-frequency power supplies as they provide excellent noise suppression.

Overall, the DME4P82K is a preferred choice for power electronics, power supply circuits, and other applications as it offers a great combination of superior performance and cost-effective operation. The capacitor features low losses, good capacitance and DC voltage ratings, a wide temperature range and high thermal stability. With all of these features, the DME4P82K is a reliable, cost-effective solution for numerous power supply applications.

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