There is a Contact RFI that contains materials from Beryllium Copper.It is possible for the EMI/RFI to operate normally at -55°C~121°C.A contacter RFI with the Fingerstock type.
11-S-32RH-NI-0.17 Features
Fingerstock
11-S-32RH-NI-0.17 Applications
There are a lot of Leader Tech Inc. 11-S-32RH-NI-0.17 RFI and EMI Contacts applications.