SFBMC5000680MC0

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Feed Through Capacitors: Application Field and Working Principle

Feed through capacitors are a type of capacitor that can be used to suppress and control high frequency noise in a circuit. They are commonly used in radio communication, mobile phones, Sonet, and Ethernet systems. In addition, they are also used in power conditioning, audio systems, and medical equipment.

The basic principle behind feed through capacitors is to allow the energy from the electrical signal to flow freely through the capacitor\'s dielectric without being absorbed by the dielectric itself. The design of the capacitor is such that the dielectric material between the two plates is an extremely thin layer. This layer is made of materials with very low electrical resistance, such as high-grade mica and polyethylene, allowing the energy to pass through easily with minimal resistance.

It is important to note that the use of feed through capacitors is not limited to suppressing high frequencies only; they can be used to modulate lower frequencies as well.For example, they can be used to modify the frequency response of amplifiers, to attenuate the output levels, and to increase the clipping threshold of audio circuits.

One of the most common feed through capacitors is the SFBMC5000680MC0. It is capable of handling RF power up to 150 volts and is designed to operate at frequencies up to 5 GHz. This capacitor can provide up to 10 dB of power suppression for frequencies up to 4.9 GHz, meaning it can effectively reduce the signal power before it reaches the circuit. The SFBMC5000680MC0 also has a low ESR rating of 0.094 ohms, allowing it to be used in a wide variety of applications.

Feed through capacitors are an important component in many types of electronic circuits, as they are able to reduce the level of noise and distortion in the signal. By using these capacitors in combination with other components, such as resistors or inductors, it is possible to achieve excellent performance in a wide variety of applications. The SFBMC5000680MC0 is an ideal choice for applications that require high power handling and a low ESR rating, such as RF circuits and audio equipment.

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