SI-50139-F

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Modular Connectors - Jacks With Magnetics

SI-50139-F is a standard size 3-pin terminal jack with integrated magnetics. It is used in applications where a secure communications link is required and includes an EMI shield for improved protection. This article will discuss the application field and working principle of the SI-50139-F.

Application Field

The SI-50139-F is primarily used in Ethernet-based communication systems. Typical applications include point-to-point communication links, LAN/WAN backhaul systems, and remote telemetry monitoring systems. It is also ideal for video and voice applications. The SI-50139-F is designed to meet the various requirements of Ethernet networks and offers superior performance compared to other connectors.

This connector is also widely used in audio and video equipment, including video monitors, VCRs, DVD players, mixers, and audio amplifiers. Its small size and lightweight construction make it ideal for applications requiring high port density and stringent space constraints. As a result, it is often found in high-end consumer electronics components.

The SI-50139-F is also suitable for automotive applications. It has been designed to survive the rigors of high vibration environments and can be used for power, signal, and data transmission. Common applications include ignition and transmission systems, instrument clusters, and navigation systems.

Working Principle

The SI-50139-F works on the principle of transmission line transformation. This involves the electrical signals being split into two transmission lines. The magnetic core connects the two lines, thereby providing better performance in terms of signal strength, bandwidth, and signal-to-noise ratio. When the magnetic core is energised, it creates an inductive component, which helps to reduce EMI/RFI interference, and cancel out any reflected electrical signals.

The integrated magnetics also provide noise isolation. The magnetic core acts as a barrier to EMI/RFI, which would otherwise be transmitted through the cables. This helps to reduce electrical noise, resulting in improved signal integrity. The SI-50139-F is also designed to protect against voltage spikes and power surges, as well as environmental conditions such as temperature and humidity.

Conclusion

The SI-50139-F is a versatile, lightweight, and reliable connector solution. It can be used for a wide range of applications, including Ethernet networks, audio/video equipment, and automotive systems. The integrated magnetics provide improved signal integrity, EMI/RFI protection, and noise isolation. This makes the SI-50139-F an ideal choice for high-performance applications.

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