SC-01-10GS

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Common Mode Chokes

Common Mode Chokes, often referred to as CM Chokes, are primarily used to provide electromagnetic compatibility (EMC) protection, which helps to minimize the impact of EMI on the systems or networks. CM Chokes are electronic components that help to reduce the amount of conducted EMI that travels along the transmission line by suppressing the common mode currents.

SC-01-10GS Application Field and Working Principle

The SC-01-10GS is a surface mount common mode choke that is ideal for high speed differential signaling applications. This type of CM Choke has a broad frequency band of up to 10GHz and high linearity, making it suitable for EMI suppression in high frequency systems such as USB, Ethernet, IEEE1394, and Digital Audio.

The SC-01-10GS works by using its two inductors to create a very effective noise suppression filter. The two inductors are connected in series, and they form a two-loop structure that is connected in parallel with the transmission line. In this arrangement, the series inductor creates a signal loop, while the parallel inductor creates a common mode circuit. The common mode inductance provided by the two inductors creates a low pass filter which attenuates the common mode noise at higher frequencies, reducing the amount of EMI that travels along the transmission line.

The SC-01-10GS also has a built-in capacitor which helps to reduce the high-frequency noise that can occur on the differential lines. This helps to improve the attenuation of the common mode noise, which further improves the EMI suppression performance of the CM Choke.

The SC-01-10GS is also designed to withstand high temperatures, making it ideal for applications where the temperature can reach as high as 85°C. It also has an extended dynamic range of up to 20A, meaning it can handle large signal currents.

Overall, the SC-01-10GS is an effective and reliable Common Mode Choke for high speed differential signaling applications. It is designed for reliable operation in high temperature environments, and its built-in capacitor helps to reduce high-frequency noise on the differential line. Its two-loop structure effectively attenuates the common mode noise, providing an excellent level of EMI suppression.

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