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Film Capacitors

A film capacitor, also known as a plastic film capacitor or polymer film capacitor, is a type of capacitor that uses a thin plastic film as the dielectric rather than a paper. There are a variety of film types ranging from polypropylene, polycarbonate, polyester and polystyrene. The type and thickness of the film used often determines the capacitance and voltage ratings of the capacitor.

B32560J6473M000 is an ac film capacitor, it has a capacity of 68 microfarads, rated to work at 400 volts, 50/60Hz frequency and temperature range of -40°C to +85°C. This type of film capacitor is best used in AC applications, suitable for motor, fridge and air-conditioner motors, and other similar applications.

Working Principle

When an alternating current is applied to the film capacitor, the surface of the film will be charged up, which attracts opposite charged particles towards itself. The charged particles are then stored in the layers of the film, thus forming a large electrical charge and resulting in a large potential difference between the two terminals of the capacitor. As the current oscillates, the stored electrical charge changes direction with each cycle, which causes the capacitor to act as a filter, blocking higher frequencies of the current.

The amount of capacitance is determined by the size of the film capacitor and its structure. The larger the structure, the higher the capacitance. Additionally, the film thickness can also be used to alter the capacitance. Thicker films have higher capacitance as they store more electrical charge. Furthermore, the dielectric materials can also have an effect on the capacitance value.

Applications

B32560J6473M000 film capacitors are commonly found in many commercial applications according to its specs and features. The capacitor has a voltage rating of 400VAC, a capacitance of 68 μF and its operating temperature range is -40°C to +85°C. With these specs, the B32560J6473M000 can be used in motor, inverter, television, audio equipment and air-conditioner motor applications.

In motor applications, the B32560J6473M000 film capacitor eliminates operating noises and increases motor efficiency, while in inverter applications, the capacitor ensures reliable working of the inverter and protects it from damages due to overvoltages. The capacitor is also used in television and audio equipment to reduce interference, eliminate background noises and provide superior audio performance.

In air-conditioners, the capacitor is used to start the motor, ensuring the smooth transition of the AC power supply to the motor, and to ensure that the compressor runs efficiently and the motor is protected from operating at overvoltages.

Conclusion

The B32560J6473M000 is a film capacitor that is commonly used in motor, inverter, television, audio equipment and air-conditioner motor applications. The capacitor has a voltage rating of 400VAC, a capacitance of 68 μF and its operating temperature range is -40°C to +85°C. The capacitor works by allowing the current to be filtered and stored in the layers of the film, thus forming a large electrical charge and resulting in a large potential difference between the two terminals of the capacitor.

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