75 Ohm SMB Jack for Board-Edge RF Launch
The 415490-1: The snap-on fastening gives a quick mate and unmated cycle — typical for test points or modular cards that get swapped without tools.
What the 75 Ohm and 4 GHz Ratings Mean
75 Ohm impedance matches composite video and broadcast systems. The 4 GHz ceiling covers standard-def and high-def video channels.
Mounting and Termination Detail
The shield termination is solder, so you get a solid ground connection without a separate clamp or ferrule. Gold on the mating interface protects against corrosion in repeated connect/disconnect cycles.
TE Connectivity lists the 415490-1 as Obsolete. If your design can tolerate a parametric alternative, a 75 Ohm SMB jack from another manufacturer with the same right-angle through-hole footprint and snap-on mating is the practical cross-shop — but no direct TE replacement is published.