Terminals Are Made Of Ceramic & Metal

Aug. 1, 1999

For applications where extreme hermeticity is required and electrical feedthrough size is critical, these subminiature ceramic/metal terminals can withstand pressures up to 5000 psi and have an operating temperature range of -270°C to 800°C. High-purity aluminum ceramic is used because it exhibits electromechanical, thermal and chemical properties superior to glass. The terminals consist of a 0.185” diameter nickel or Kovar flange and a 0.30” diameter conductor made of nickel, molybdenum or Kovar. Several mounting designs are available that allow brazing, soldering, resistance welding or high-energy beam welding into headers.

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