RJ45 100M network port (with POE) design

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RJ45 100M network port (with POE) design solution

The common-mode filter inductor filters out common-mode interference on differential signals. The common-mode impedance selection range is 60Ω@100MHz to 120Ω@100MHz, with a typical value of 90Ω@100MHz. The peak current requirement for TVS protection devices is greater than or equal to 50A. The peak power of the protective device should be greater than or equal to 300 W. The equipment has a metal casing. Meanwhile, the single board can independently demarcate the interface ground. Therefore, the metal casing is directly electrically connected to the interface ground, and the ground of the single board is connected to the interface ground through a 1000pF capacitor.

RJ45 100M network port (with POE)design solution

CMF2012WD900MQT

ESD3V3A005TA

SMD50J58B