ELF-14M090E

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Common Mode Chokes are widely used as components in filter networks due to its functionality in suppressing differential-mode (DM) signals yet passing common mode (CM) signals. The ELF-14M090E is a typical representative of such components and is widely used in commercial and domestic electrical and electronic equipment.

The basic working principle of the ELF-14M090E is straightforward and it mainly consists of two windings which are usually wound encircling a ferrite core. Coil turns ratio is usually 1:1 and outer windings are wound in opposite directions in order to suppress the DM signals along a single path. This configuration facilitates cancellation of EMFs since both path directions are wound in the same way and hence can minimize the non-desirable EMFs from entering the Filter Networks.

The ELF-14M090E is one type of Common Mode Chokes, designed to work within a wide variety of applications, for example, it can be applied in EMI filters, inverters, rectifier circuits, power supplies, electronic ballast, motor drives and many other circuits. The core material of the ELF-14M090E is ferrite, which is a type of material that possesses a considerable amount of permeability thus facilitating more efficient operation at lower frequency.

The ELF-14M090E is designed to be highly alpha-stable, meaning its core material has a high resistance to detuning due to temperature differences or manufacturing inaccuracies. This feature, combined with its wide range of DC resistance, precision control in the winding, current sense, and high common mode impedance, allow the ELF-14M090E to provide superior filtering action even in harsh environments.

Due to its high common mode impedance with low DC resistance, ELF-14M090E exhibits high transient attenuation. The bandwidth performance of ELF-14M090E is excellent for high frequency applications, with low ripple attenuation across the minor frequency range of up to 40kHz. This feature makes it very suitable for applications such as power supplies, motor drives and EMI filters.

With a low DCR, ELF-14M090E also provides excellent performance in providing DC isolation. This allows the device to resist high current spikes and attenuate over-voltage to a great extent. Furthermore, due to its wide frequency range, it can effectively attenuate harmonic signals, hence providing better reliability and lower operating temperatures.

The ELF-14M090E has a wide variety of applications in the world of electronics. It is especially suitable for high frequency applications, such as EMI filters, motor drives, and power supplies. With its excellent performance in providing DC isolation and harmonic signal attenuation, it is also highly suitable for providing improved performance in inverters, power supplies and rectifiers. In addition, the wide range of DC resistance, combined with the high common mode impedance, allow the ELF-14M090E to provide superior filtering action in any application in which common mode choke designs are necessary.

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