Industrial Ethernet jacks have integrated magnetics and PoE
Ethernet jacks from TE Connectivity are now supplied with integrated magnetics and power over Ethernet (PoE). They are designed for industrial applications which help to simplify PCB design and simplify peripheral power design in the total system, explains TE.
Integrated magnetics in the Ethernet jacks eliminate the need for any layout on the analogue part of the circuitry on the board, says the company, while still meeting system transmission requirements. The Ethernet jacks conform to the IEEE 802.3at (PoE+) standard and can be used to power devices up to 25.5W on every port.
The Ethernet jacks are built using a flame-resistant (UL94-V0) liquid crystal plastic (LCP) that withstands high temperatures, making them suitable for use with reflow soldering at 260 degrees C. A three-wire choke prevents coil saturation and minimises interference between power and signals, adds TE.
Thick gold plating (0.76micron over 1.27 micron nickel) on the contacts provides improved corrosion protection, reducing the risk of contact problems over time when the jacks are used in harsh environments. In addition, the jacks have an extended operating temperature range of -40 to +85 degrees C.
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