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.
11-37FSC-SNPB-16 Features
Fingerstock
11-37FSC-SNPB-16 Applications
There are a lot of Leader Tech Inc. 11-37FSC-SNPB-16 RFI and EMI Contacts applications.