Product Announcements:
Electrical Feedthroughs

Douglas Electrical Components manufactures custom hermetic high voltage feedthroughs for wires, cables, terminals, studs, and connector applications. Utilizing proprietary epoxy sealing technology, these feedthroughs support voltages up to 30kV+ while maintaining reliable hermetic sealing in vacuum, pressure, hazardous, and harsh-environment applications. Read more...

Radial O-ring feedthroughs create a reliable hermetic seal by compressing one or more O-rings between the housing and mating interface, preventing gas or liquid leakage. They offer a simple, cost-effective alternative to threaded designs, with easy installation, built-in redundancy, and flexible customization for high-pressure, vacuum, and high-density applications. Read more...

Electrical Feedthroughs for Your UHV

Electrical feedthroughs (or high-powered feedthroughs) transmit voltage or current into your high or ultra high vacuum environment. They are necessary for a number of scientific—we’re looking at you SpaceX!— and industrial applications. Read more...

What is Mass Spectrometry? Read more...

2026 Advanced Vacuum Components Industry Report. Read our latest in-depth analysis on the state of the industry and predictions for the future. Read more...

Conax HEGPK high performance electrode feedthroughs electrically and/or thermally insulate single electrodes, tubes, temperature sensors and other elements while passing into a vacuum or pressurized environment. HEGPK features a single piece insulator manufactured from PEEK™, one of the highest performing engineered thermoplastic materials available. Read more...

Conax Technologies’ EGT feedthroughs electrically and/or thermally isolate single electrodes, tubes or temperature sensors for use in vacuum furnaces, liquid level probes, transformers, environmental chambers, power leads and more. EGT feedthrough insulators and sealants are provided as a single continuous Teflon™ piece to accommodate higher voltage/amperage at lower pressures. Read more...

Douglas Electrical Components’ CF flange feedthroughs provide reliable hermetic sealing for vacuum systems using a copper gasket clamping design. Supporting connectors, wires, cables, and fibers, they offer high-density, space-saving solutions with flexible configurations for power and signal transmission in demanding environments. Read more...

Ultra-high vacuum (UHV) feedthroughs provide reliable electrical connections without compromising vacuum integrity, operating at pressures as low as 10⁻¹² torr. Douglas Electrical Components delivers hermetic, helium leak–tested solutions for power and signal transmission, including high-voltage, RF, and custom multi-application configurations for extreme environmen... Read more...

Nuclear feedthroughs are essential for safely isolating hazardous materials while enabling reliable system performance. They support facility upgrades, reduce contamination risk, and integrate modern instrumentation. Douglas Electrical Components delivers custom solutions built for safety, durability, and long-term reliability. Read more...