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.
3-20T-BD-24-NTP Features
Fingerstock
3-20T-BD-24-NTP Applications
There are a lot of Leader Tech Inc. 3-20T-BD-24-NTP RFI and EMI Contacts applications.