B32774D0705K000

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Film capacitors or plastic film capacitors are a type of capacitor, consisting of thin plastic film, typically Mylar or Polypropylene, which is often metallized, although a few are aluminum electrolytic types. They are applied for operations at frequencies up to several hundred kilohertz and pulse applications, where high currents may not be necessary. Commonly found in radios, televisions, audio systems, and other electronic equipment, film capacitors are used to provide a capacitive circuit element.

B32774D0705K000 is a series of film capacitors from EPCOS which are ideal for general purpose AC/DC applications. These capacitors are based on an extended foil-electrode wound in a plastic case, enabling them to provide a low equivalent series resistance, increasing the energy efficiency of the application. These components offer reduced dissipation factor and low power losses, allowing them to offer a very high reliability.

To better understand the application and working principle of B32774D0705K000, let\'s take a look at the working of film capacitors in general. Like most other capacitors, film capacitors work by storing an electrical charge between two conductive plates. The two plates are separated by a film barrier made of polypropylene, polyester, polystyrene or other insulating material, and this barrier acts as an electrical insulator between the plates. The effect of insulating barrier between plates can be modulated depending on the type of capacitor.

When a voltage source is applied to a capacitor, the externally applied field causes electrons to be attracted towards the positively charged plate and repelled from the negatively charged plate. This action creates an electric field between the plates which stores energy. When the voltage source is disconnected, the capacitor continues to produce an electric field until all the traces of electric energy is dissipated, thus allowing the capacitor to act as a power reservoir.

The metalized films used for B32774D0705K000 capacitors are vacuum metalized for improved performance at high temperature and frequencies. These capacitors feature a temperature range of -55°C to +105°C and excellent DC characteristics, making them not only suitable for general purpose AC/DC applications but also for switch mode power supply (SMPS), DC/DC converter, and motor run applications.

The B32774D0705K000 has many advantages over other film capacitors, such as low leakage current, low dissipation factor, extremely low equivalent series resistance (ESR) values, and very high stability under long-term operation at high temperatures. As a result, these capacitors offer improved efficiency and reliability over a wide range of applications and operating temperatures.

In summary, the B32774D0705K000 series of film capacitors are suitable for general AC/DC applications, including switch mode power supplies, DC/DC converters and motor run applications. With their low leakage current, low dissipation factor and extremely low ESR values, these capacitors offer improved efficiency and reliability over other types of film capacitors. Furthermore, they feature a temperature range of -55°C to +105°C and excellent DC characteristics, making them ideal for high temperature and frequency applications.

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