The TE Connectivity 5-2301996-1 is a 2-port RJ45 jack designed for 10/100 Base-T and AutoMDIX applications.
What the Key Specs Mean for Your Fit
The right-angle orientation and through-hole mounting mean this jack is soldered into plated through-holes on the board — no press-fit, no rework without desoldering. The 0.531" (13.49 mm) height above board sets the z-height budget; make sure the enclosure lid or a mezzanine card clears that.
Speed Rating — Why 100 Base-T and Not Gigabit
The jack is specified for 10/100 Base-T and AutoMDIX. That means the internal magnetics and contact geometry are tuned for 100 Mbps signaling, not the 1 Gbps differential pairs of 1000 Base-T. If your BOM calls for Gigabit Ethernet, this part does not have the bandwidth — the crosstalk and return loss at higher frequencies will not pass the 1000 Base-T PHY's eye mask. Stick with this one for Fast Ethernet switch ports, industrial controllers, or legacy equipment where the PHY runs at 100 Mbps.