890334023011

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Film Capacitors

Film capacitors, also known as non-polarized film capacitors, are widely used in many modern applications including AC motor power and control, instrumentation and data processing, sound systems and power conditioning technology. They are mainly used to store energy and reduce electrical noise. Their structure consists of two thin aluminum sheets coated with polymer film, divided by a spacer material. The thin sheet metals serve as the positive and negative electrodes, and the spacer material is used to keep the distance between them.

The 890334023011 film capacitors have a capacitance rating of 2.2uf, a voltage rating of 400v, and a maximum operating temperature of 90°C. They are made of thin aluminum foil and a plastic film dielectric, with an epoxy resin coating. The plastic film dielectric and epoxy coating provide increased stability, allowing the capacitor to withstand severe environmental conditions while still providing reliable performance. The coated metal electrodes also provide higher input voltage and higher ripple current ratings than other types of film capacitors.

The 890334023011 film capacitors are primarily used in high-frequency switching power supplies and other electronic equipment. They can operate at temperatures ranges from -40°C to +90°C and have a wide operating range from 400VAC to 800VAC. They are particularly suitable for noise reduction, low-temperature starting, high temperature durability, and voltage stabilization.

The working principle of film capacitors involves the storing of energy as an electrical charge on the metal conductors. When an electric current is applied between these metal conductors, an electrostatic field is created. This field stores energy by creating a charge on the metal conductor and the dielectric spacer between them. When the field is switched off, the energy is released back into the circuit.

The capacitor’s performance is determined by its capacitor rating, which is based on its voltage and capacitance rating. A higher voltage rating means the capacitor is able to withstand higher voltages, and a higher capacitance rating means the capacitor can store more energy. Because the structure of film capacitors is non-polarised, the devices do not have a preferred polarity, allowing them to be used in any type of circuit.

In conclusion, 890334023011 film capacitors are an ideal choice for high-frequency switching power supplies and other electronic equipment. Featuring higher voltage and ripple current ratings and increased stability in severe conditions, they offer reliable performance and reliable operation in a wide range of temperatures. The non-polarized design of these film capacitors allow them to be used in any types of circuits, making them a versatile choice for many applications.

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