ELF-14M100E

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Common Mode Chokes (CMCs) are devices used to reduce or eliminate noise that is carried through electric systems and electrical cables. CMCs can be used in a variety of applications to improve system performance, reduce interference, and protect sensitive components from damage. One example of a popular CMC is the ELF-14M100E. The ELF-14M100E is a low-cost, high-efficiency common mode choke designed for applications requiring high voltage and power handling capabilities, such as in Power over Ethernet (PoE), industrial communications, and high-speed communication systems.

The ELF-14M100E is an axial-lead common mode filter designed to reduce common-mode and differential-mode noise in communications, data, and power line applications. It has a low-pass filter design that allows for a wide range of frequencies, low insertion loss, and broad suppression of common-mode noise. The filter consists of two inductive coils which are connected in series. Each coil is wound using a specific number of turns of very high-grade copper wire.

The ELF-14M100E utilises permeability tuning to suppress common-mode noise. This process involves tuning the permeability of the inductors to the resonance frequency of the system. This is done by inserting an extra turn of wire into the inductor, which changes the overall impedance. When the impedance is tuned correctly, it selects the frequencies which need to be blocked and allows through those that need to pass. This reduces the amount of common-mode noise present in the system without sacrificing signal integrity.

The ELF-14M100E also has surge protection capabilities that can protect a system from power surges and EMI. It is also designed to handle higher currents than standard common mode filters, so it can accommodate power-over-Ethernet (PoE) applications and other networks with lots of data and power involved. The filter has a wide capacitance range and can be used in DC blocking applications as well.

The ELF-14M100E is a highly effective common mode filter that can significantly reduce common-mode noise, improve system performance, and protect sensitive components from damage. It has a wide frequency range, low insertion loss, and surge protection capabilities that make it an ideal choice for applications requiring high voltage and power handling. The filter can be used in power, data, and communication systems to reduce common-mode noise and improve performance.

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