You'll get Connector, Pin packages.It works best at below 85°C.The device must be operated at a temperature of -40°C.There's an enclosed device in the packaging with the SMB.Through Hole is the mounting point for the part.
638817-3 Features
638817-3 Applications
There are a lot of TE Connectivity / AMP 638817-3 Coaxial Connectors applications.