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.
7-19PCI-NI-9.0 Features
Fingerstock
7-19PCI-NI-9.0 Applications
There are a lot of Leader Tech Inc. 7-19PCI-NI-9.0 RFI and EMI Contacts applications.