High vacuum microwave feedthroughs are used to transfer a microwave electrical signal into a vacuum system. MeasureTech’s N female to SMA female high vacuum microwave feedthroughs are excellent anywhere a microwave signal must be brought through a process enclosure.

Benefits

• Precision microwave design
• Composed of ultra high vacuum (UHV) materials
• Operates under extreme environment conditions
• Dependable connector interfaces

Specifications

High Vacuum Microwave Feedthrough Specifications
Design & Performance Specifications
Connector interface	N female to SMA female (2 places)
Outer diameter	2.75 inches
Impedance	50 Ω
Frequency range (DC)	Up to 12 GHz
Voltage	1,500 VRMS
VSWR	Up to 3 GHz: 1.05:1 max Up to 12 GHz: 1.25:1 max
Insulation resistance	Greater than 1012 Ω
Insertion loss	At 3 GHz: 0.10 dB At 12 GHz: 0.35 dB
Hermeticity	≈2×10-8 cc/sec helium leak rate
Radiation	Greater than 200 megarads gamma
Material Specifications
Outer body	316L stainless steel
Center conductor	Molybdenum (TZM alloy)
Insulator	Glass ceramic
Connector contact	Gold-plated beryllium copper
Environmental Specifications
Operating temperature range	-270°C to 300°C