NexTek, Inc.

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439 Littleton Road
Westford, MA 01886-4061
About NexTek, Inc.
  • Nextek products have been proven reliable and have continued to operate even in the most extreme of environments. Whether your design will be deployed in the tropics, around a city, on the plains, in the desert, even at sea, NexTek products are there.
    • Frequency ranges to 18.0GHz
    • Exceptional RF performance (VSWR, IL, PIM)
    • Industry leading surge protection levels (up to 200kA)
    • Only high grade materials are used in construction
    (Nickel, Brass, BeCu, Gold, Stainless Steel… Never Aluminum)
    • Outstanding environmental rating (IP68 – Submerged 1 meter / 24 hours)

    Don’t settle for less…
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Products by NexTek, Inc.
  • Lightning Arrestors

    Coax Lightning Protection Multiple Connector Combinations Very High Surge Ratings to 200kA DC to 18GHz+ Read more
  • High Current DC Filters

    High Current DC Feedthrough Filters 30 to 400Amps+ Extremely Compact & Rugged Custom Requests Welcome Read more
  • Military Applications

    Coaxial Lightning Protection and High Current DC Filters Large Range of COTS Designs Highest Quality and Highest Performance Surprisingly Affordable! NexTek retains a vast amount of EMC expertise, let us help! Whatever the EMC challenge, we can help you quantify the issues you are facting... Read more