Materials from Beryllium Copper are used in Contact RFI packaging.-55°C~121°C is the operating temperature and EMI/RFI works fine.The contacter RFI type is Fingerstock.
7-19PCI-BD-18 Features
Fingerstock
7-19PCI-BD-18 Applications
There are a lot of Leader Tech Inc. 7-19PCI-BD-18 RFI and EMI Contacts applications.