S14100039

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Common Mode Chokes, or CMCs, refer to highly effective filter inductors designed to prevent electromagnetic interference (EMI) generated by power electronics. In the industrial power position, Common Mode Chokes are often used in electric power systems, drives and power supplies, to mitigate noise in power quality systems. The S14100039 CMC is the latest generation in the Common Mode Choke family of products and boasts impressive performance characteristics that make them an ideal choice for applications requiring high performance noise suppression.

S14100039 is a dual-channel, high frequency, three-phase common mode choke designed for DC power lines in industrial automation systems. The unique bi-directional choke design also reduces the need for additional chokes in order to provide optimal noise rejection in both directions. The S14100039 has a high rated current of 420mA, a low DCR of 0.25ohm and an effective differential mode capacitance of 105pF. These characteristics make this CMC well suited for more demanding applications which require extremely low-loss filter inductors.

The S14100039 is designed to help reduce the amount of EMI conducted along power lines, which can cause a variety of problems for electric power systems. The choke is designed using a cylindrical ferrite core, which provides high permeability and low loss, making them suitable for wide frequency ranges. This helps to ensure optimal noise attenuation over a broad frequency range, from 10kHz to 3GHz. In addition, the S14100039’s low-DC resistance further reduces power losses and improves system efficiency.

The working principle of the S14100039 is based on the fact that electromagnetic interference (EMI) is coupled to dc power lines via magnetic and electric fields. The choke acts as a “barrier” to both these fields, reducing their effects on the acoustic noise radiation of the power systems. Specifically, the choke coils the EMI-induced current along the dc power line, preventing it from radiating into the environment. The choke also significantly reduces the common mode noise present on the power line, further improving the overall system noise performance.

The S14100039 CMC is the perfect solution for applications that require low-loss and high-frequency noise suppression. Its compact design, high rated current and low DCR make it an excellent choice for electric power systems and drives. The unique bi-directional choke design also significantly reduces the need for additional chokes, further improving system efficiency. With its impressive performance characteristics, the S14100039 is undoubtedly the ideal choice for EMI noise mitigation.

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