Ceramic membrane

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Rongxin Environmental Protection Equipment Co., Ltd.

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A ceramic rotating film, also known as a ceramic rotor or ceramic film capacitor, is an electronic component that utilizes thin layers of ceramic material to create a capacitor. Capacitors store electrical energy in the form of an electric field and are commonly used in various electronic circuits for filtering, tuning, and voltage regulation.

Ceramic rotating film capacitors typically consist of a ceramic dielectric material sandwiched between two metal plates, with one plate being the fixed electrode and the other being the moving or rotating electrode. The ceramic material can be made from barium titanate, aluminum oxide, or other high dielectric constant ceramics, which provide excellent stability and low loss.

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The unique feature of a rotating film capacitor is that the movable plate (or "driven plate") can rotate relative to the fixed plate, allowing for variable capacitance. This rotation can be achieved by a mechanical mechanism or through an electrostatic actuator. By changing the distance between the plates, the capacitance value changes, making these capacitors useful in applications where precise tuning or variable capacitance is required.

Some common applications for ceramic rotating film capacitors include:

1. Tuners: In radio and television sets, they are used to tune into specific frequencies by varying the capacitance.

2. Oscillators: They can stabilize the frequency of oscillating circuits, such as quartz crystal oscillators.

3. Audio equipment: In equalizers and other audio processing circuits, they offer precise control over frequency response.

4. Motor control: In some motor drives, they are used to control the speed or torque of the motor by adjusting the voltage applied to the windings.

These capacitors are known for their reliability, long life, and wide operating temperature range, but they may have lower capacitance values compared to other types of capacitors due to their construction.

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Rongxin Environmental Protection Equipment Co., Ltd.

 Audited supplier

3 year

Address: Zhenjiang, China

Main Product: Ceramic Filter Plate, Ceramic Filter, Ceramic Scraper , Ceramic Vacuum Filter, Dynamic Rotate Ceramic Membrane, Gasification Equipment

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