4400-084

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Feed Through Capacitors are used in a variety of electronic applications for both high frequency signal interruption and constant voltage regulation. The 4400-084 feed through capacitor is no exception, and is suitable for use in applications such as RF/microwave circuits, high speed data transmission and audio/video equipment. In order to properly understand the working principles and application of this feed through capacitor, it is important to first understand the basics of the capacitive technology behind it.

At its most basic level, a capacitor is an electronic component which consists of two metal plates separated by a dielectric material. When an electrical potential is applied to the plates, a charge is stored or “stored energy” will remain until the potential is removed from the plates. This stored energy, or capacitance, is measured in Farads (F); the basic measurement for capacitance. A feed through capacitor pulls the stored energy away from the high frequency currents, thus enabling the desired voltage regulation and frequency interruption.

The 4400-084 feed through capacitor contains two capacitors in one package; one inside the package and one across the outside of the package’s shell. The cap inside the package is formed around the traditional dielectric material and works to store the electrical potential charge between the plates. The cap across the outside of the package’s shell works to isolate the two capacitors and operate as a filter. This arrangement helps to ensure uniformity of the desired electrical signal between the two capacitors.

The 4400-084 feed through capacitor meets the needs of high frequency applications in two important ways. Firstly, it stores the energy in a concentric coaxial structure, meaning the transfer of energy between the two plates remains consistent regardless of frequency. Secondly, the cylindrical shape allows for high power handling capabilities as the capacitance is concentrated around the dielectric material, allowing for a more focused capacitance engaging multiple frequencies.Due to its unique construction, the 4400-084 feed through capacitor is an excellent choice for various types of applications ranging from radio frequency to high speed data transmission. In some instances, the capacitor is used as a low pass filter, eliminating the lower input frequencies to yield a cleaner result. For example, by using a frequency cutoff of 500 KHz, any signal frequencies lower than 500 KHz will not be affected. In other cases, the capacitor is used as a high pass filter, allowing only higher frequencies to be passed through while the lower frequencies are blocked. This type of circuitry is usually used in communications systems where only certain frequencies are needed for efficient signal transmission.

The 4400-084 feed through capacitor will offer effective performance and versatility for a wide range of applications. It can operate from 0-1000 MHz, has an impedance of 75 Ω, and possesses good signal-to-noise measurement up to 400 MHz. Its small size and durability also makes it suitable for use in a variety of enclosures and other environmental conditions. As such, the 4400-084 feed through capacitor is ideal for those who require efficient and reliable performance in RF/microwave, data transmission, and audio/video applications.

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