There are materials in the Contact RFI package from Beryllium Copper.It is possible for the EMI/RFI to function normally at -55°C~121°C.A type of Fingerstock is provided by the contacter RFI.
16-44UD-MAG-16 Features
Fingerstock
16-44UD-MAG-16 Applications
There are a lot of Leader Tech Inc. 16-44UD-MAG-16 RFI and EMI Contacts applications.