CM1011-106

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Common mode chokes are the most common form of filtering device used on circuits for protection against electromagnetic interference (EMI). The most common form of common mode choke is the CM1011-106, which is used in a wide range of industrial and commercial applications.

The CM1011-106 is a simple, economical choke design that can provide effective EMI suppression over a range of frequencies. The device consists of two identical alternating windings connected in series. The two windings are connected so that the current in each winding has the same magnitude but opposite polarity, creating a cancellation effect.

The CM1011-106 has a wide range of applications. It is commonly used in power line filters, automotive applications, and high-speed digital circuits. It is also used on antenna systems and in audio and lighting systems to reduce the occurrence of EMI. In addition, it can be used in medical equipment, computers, and telecommunications systems to suppress EMI.

The working principle of the CM1011-106 is based on the fact that the two identical winding elements form an inductive filter. When a signal is applied to one of the windings, the current in the other winding is in the opposite direction. This creates a cancellation effect on any interference that is present in the signal. By properly selecting the number of turns in each winding, the inductance of the filter can be tuned for a specific frequency range.

The CM1011-106 is an inexpensive, yet effective, EMI suppression device. It is easy to install and maintain and can provide reliable EMI suppression over a wide range of frequencies. It is also widely used in many different industries, from automotive to consumer electronics, making it a versatile solution for eliminating EMI.

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