ECMF4-20A42N10 Filters

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Common Mode Chokes are essential and effective components for noise reduction in signal lines. They are ideal for providing solutions when basic noise suppression methods, such as ferrite beads and capacitors, are not applicable, as they provide more stable noise suppression due to their isolation capability.

The ECMF4-20A42N10 is an ideal common mode choke for Signal Line suppression applications, including those in various industries such as automotive, industrial and consumer electronics. It is built of a ferrite core and two coils wrapped around it to form a choke. Expansion of the insulation sleeve increases the isolation capability and improves noise suppression.

The ECMF4-20A42N10 is especially suitable for noise suppression in signal line applications where high electrical isolation is required between signal lines and other electrical/electronic components. It also offers a low DC resistance and high differential mode attenuation. The ECMF4-20A42N10 is capable of providing up to 35 dB common mode attenuation from 1 MHz up to 10 MHz, with excellent low insertion loss characteristics.

The working principle of the ECMF4-20A42N10 choke is based on electromagnetic induction. Current traveling in the signal lines develop a magnetic field around them, which in turn induces a voltage on the other end of the wires. This voltage, known as the induced voltage, is equal to the amount of current in the original line. By placing the ECMF4-20A42N10 choke between the signal lines, the induced voltage due to the magnetic field is blocked, thus suppressing the noise generated.

The ECMF4-20A42N10 choke can also provide effective suppression of differential and common mode noise in radio frequency applications, as its linear structure has a low impedance over a wide frequency range. With its high current handling capacity, the ECMF4-20A42N10 is ideal for power sources of up to 8 Amps.

The ECMF4-20A42N10 also offers excellent ESD capability for industrial applications, and its insulation sleeve ensures the safe operation of long cables exposed to harsh environmental conditions. Its high temperature range and large strain reliefs allow for operations in a wide temperature range. The design also ensures reliable mechanical strength and prevents loose solder connections.

In summary, the ECMF4-20A42N10 is an ideal common mode choke for signal line suppression applications. Its unique structure allows for noise suppression over a wide frequency range with a low DC resistance and high differential mode attenuation, while its excellent ESD, mechanical, and temperature capability make it suitable for applications in a variety of industries.

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