Century Seals is an ISO 9001:2015 manufacturer of the highest quality hermetic glass to metal seals. With over 100 years of combined experience, we have the knowledge to serve you best.

Our Products: Miniature hermetic feedthroughs, Relay headers, DIP headers, TO packages, Machined Kovar packages for microwave applications, custom parts to meet specifications, and many others. See the products tab for pictures.  

Product Applications: Aerospace, Defense, Industrial, RF Microwave, Semiconductors, Telecommunications, Refrigeration, and a wide variety of specialty manufacturers.

 

Have we let you down or not met your expectations? Let us know via this customer complaint form.

Machined Packages
Need a machined Kovar package? We can provide you with a highly specialized and precise tolerance package to meet any of your custom needs.
Single Pin Feedthroughs
Need single pin terminals quick? Ask us about our stock options that can save you money and lead-times for your next job.
Your One Stop Shop
At Century Seals we are proud to offer competitive pricing and lead times. Our in house plating shop, Fin-Tec, means your parts stay local which also saves lead time. Ask us about our plating specs fo ... [READ MORE]
503 Harrington Street • P.O. Box 720 • Seaford, DE 19973 • (302) 629-0324 • Fax (302) 629-0325