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Film Capacitors

Film capacitors are devices used to store electrical energy for a wide range of applications. They are made of a thin dielectric film that is sandwiched between two metal plates and have been in use since the early 1900s. Today, they are used in many different industries such as medical, automotive, renewable energy, audio/visual, and defense.

63MU331MZ12012

The 63MU331MZ12012 is a film capacitor made by Cornell Dubilier Electronics, Inc. (CDE). It is a small, surface-mount device with a wide array of applications. It has a rated voltage of 336V, 5kV dielectric strength, and a capacitance tolerance of ±20%. It is capable of operating at temperatures ranging from -55°C to +105°C and has a self-healing property due to its polyester film construction. The 63MU331MZ12012 is UL94V-0 rated, making it suitable for use in flame retardant applications.

Application Fields

The 63MU331MZ12012 is a versatile capacitor that is commonly used in low/medium voltage applications. It has a wide variety of uses, including noise suppression, pulse power, motor start/stop applications, snubber circuits, AC motors, DC interference filters, AC and DC resonant circuits, and timing applications. It is also used in Uninterruptible Power Supply (UPS) systems and energy storage applications, often in combination with other components.

Working Principle

The working principle of film capacitors is based on the same principles as that of a standard capacitor. When an electric charge is applied to a capacitor, it stores electrical energy by creating an electric field between two metal plates separated by a dielectric material. When the applied voltage is removed, the charge stored in a capacitor remains. Since film capacitors are constructed from thin dielectric films, they offer better temperature stability and self-healing properties than other capacitor types.

Conclusion

The 63MU331MZ12012 is a versatile film capacitor with an impressive array of applications. It can operate at temperatures ranging from -55°C to +105°C and has a self-healing property due to its polyester film construction. Its wide range of uses and high temperature tolerance make it an ideal choice for many low/medium voltage applications. With its UL94V-0 rating, it is also suitable for use in flame retardant applications.

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