There is a Contact RFI that contains materials from Beryllium Copper.It is possible for the EMI/RFI to operate normally at 121°C.A contacter RFI with the Fingerstock type.The RFI EMI that you are looking at comes from our well-known Slot Mount series product line.
78087129 Features
Fingerstock Slot Mount series
78087129 Applications
There are a lot of Laird Technologies EMI 78087129 RFI and EMI Contacts applications.