Cosmotec makes the highest quality products, including hermetically-sealed ceramic-to-metal feedthroughs, Coaxial and multipin connectors, Double-ended connectors, Floating coaxial connectors, Ceramic chambers, Thermocouple, High Voltage and High Current, Isolator flanges and Ceramic isolator flanges.

Most notably, the hermetic sealing feedthroughs have been tested to be 100% helium leak test and are offered in a wide variety of terminations insulated with a high purity alumina ceramic.

These products are available in types of weldable, NW/KF 16, 25, 40, 50, ConFlat 1.33 and 2-3/4 mounted flanges.

Standard feedthroughs

Standard Products

Cosmotec have a wide range of standard products and accessories in stock or available on short lead times. These can be purchased from the website

Standard feedthroughs

Custom Made Products

Cosmotec also offers full customization services to fit your specific needs.