74461240004

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Common Mode Chokes

Common mode chokes, or CMCs, are passive devices used to reduce electrical noise in electronic systems. They are often used in switching power supplies, motor drives, and communications systems to reduce EMI/RFI interference. Common mode chokes are designed to attenuate the common mode current, while allowing the differential mode current to pass through. Common mode chokes are available in many forms and can be used in many applications.

74461240004 Application field

74461240004 Common mode choke is an excellent solution for EMI/RFI filtering applications in various fields. It can be used in power supplies and motor drives, data and communication systems, LED lighting, industrial automation, HVAC systems, and components for various automotive, military and aerospace applications. It features excellent common mode noise suppression and good high current capability. In addition, it also has low DC resistance and a wide operating temperature range.

Working Principle

The 74461240004 common mode choke works by providing a high impedance path to the common mode noise. This effectively reduces the amount of noise that is transmitted, allowing only the differential mode component of the signal to pass through. The choke provides a series inductive impedance to the differential mode currents, while providing an opposing inductive impedance to the common mode component. This creates a low-pass filter effect that attenuates the high frequency components of the common mode noise.

In addition, the 74461240004 common mode choke has a ferrite core that is designed to change inductance over a wide frequency range, providing a wide range of noise suppression. The choke also has a floodable bobbin construction, which shields the whole assembly from outside electromagnetic interference. This also helps to reduce the number of simultaneous emissions.

The 74461240004 common mode choke is designed to reduce the amount of noise that is transmitted through the system, allowing only the desired signal to pass through. Its high impedance path to the common mode noise effectively reduces the amount of interference that is experienced, while allowing the desired signal to be transmitted without disruption.

The 74461240004 common mode choke is a reliable and highly efficient solution for EMI/RFI filtering applications. Its wide range of attenuation, combined with its floodable bobbin construction, make it a great choice for noise suppression in many different types of applications.

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