SFBCC5000472MX1

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Feed Through Capacitors

Feed through capacitors are special type of capacitors with two non-overlapping metal layers on the dielectric surface. They are frequently used to filter high frequency and low frequency electromagnetic interference. The SFBCC5000472MX1 capacitor is an example of feed through capacitor.

Application Field

Feed through capacitors are widely used in the area of telecommunication, for example, in mobile phone, audio/video systems, DVD players and computers. They are most useful in high-frequency applications where their metal layers provide an effective barrier for the flux density created by electric field. Furthermore, they work well up to 100 MHz, which makes them a perfect choice for applications such as Bluetooth, WiFi, USB, and HDMI.

SFBCC5000472MX1 feed through capacitor is particularly suitable for use in automotive and industrial systems, where its high-frequency performance can provide effective signal separation and reduce electromagnetic noise. They are also perfect for use in military applications, where their special metal layers can provide a strong shield for digital signals.

Working Principle

Feed through capacitors use their two metal layers to create a capacitance between two non-overlapping surfaces. As electric field causes current to flow through the two metal surfaces, the capacitance between them changes. This changing capacitance then causes a frequency dependent attenuation, which can effectively filter electromagnetic interference.

When a high-frequency signal is propagated along the metal layers, the capacitance between the two layers changes due to the frequency differences. This adjustable capacitance then creates an effective barrier between the high-frequency signal and the low-frequency interference, thus allowing only the desired signal to pass through. Conversely, when low-frequency interference is present, the adjustable capacitance reduces its propagation by reducing the impedance of the circuit.

SFBCC5000472MX1 feed through capacitors can work up to a frequency of 100 MHz, making them a perfect choice for applications that require high-speed signal transmission. Additionally, they have a relatively low equivalent series resistance (ESR) which helps to minimize the effects of power consumption, something which is crucial in applications where power is an issue.

Conclusion

Feed through capacitors are an extremely popular type of capacitors used in a wide variety of applications. The SFBCC5000472MX1 feed through capacitor is an example of such a capacitor, and it has proven to be a reliable component for high-frequency and low-frequency applications. Its two metal layers effectively shield against electromagnetic interference, and its relatively low ESR makes it a desirable choice for applications that require low power consumption.

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