28B0339-000

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Ferrite Cores - Cables and Wiring

The 28B0339-000 Ferrite Core is designed for a variety of applications where it is necessary to shield or contain a signal or data flow. By surrounding a signal line with a ferrite core, it is possible to suppress RF noise or eliminate signal leakage. This particular core is designed for use on coaxial cables and quickly installs over the cable’s sheath.

Applications

The 28B0339-000 is ideal for applications such as broadband or equipment distribution systems that use high-frequency signals, and also automotive applications including audio systems, in-car networks, and transmission lines. It is also suitable for application such as GPS navigation equipment, air conditioners with IP network interfaces, automotive instrumentation, vehicular engine controls, and other fuel emissions control systems.

Working Principle

Ferrite cores are composed of two magnetic molecules bound together at the molecular level. The molecules work in synergy, allowing the core to act as an EMI shield. The two molecules overlap one another, creating an inductive effect that is optimized for EMI shielding. As the signal passes through the core, it induces a magnetic field that repels the EMI, thus blocking it from entering the equipment or leaving its housing.

The core also has the ability to absorb harmonic frequencies and reduce interference on the line. These harmonic frequencies, including RF and radio frequencies, are effectively dissipated as the signal passes through the core. This makes it an ideal tool for controlling signal flow and increasing the overall signal integrity.

Moreover

The 28B0339-000 ferrite core is designed for a wide range of applications and offers maximum performance in both tight- and wide-field applications. Its efficient design makes it suitable for most Cables and Wiring applications. With its built-in EMI absorbers and harmonic frequency blockers, it is an ideal solution for those who need to maintain signal integrity while immersed in busy, crowded radio-frequency environments. The core is also highly effective in reducing cable loss and cable jitter and optimizing the signal flow.

For the most demanding applications, the 28B0339-000 ferrite core offers a 4-quadrant polarity for even greater signal integrity, while its flexible design allows it to fit a variety of cable sheath sizes, making it ideal for installation on most cables and wiring.

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