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)

Multipin feedthroughs provide reliable, hermetically sealed electrical connections through vacuum and high-pressure barriers while maintaining enclosure integrity. Douglas Electrical Components designs customized multipin feedthrough solutions for aerospace, military, semiconductor, and industrial applications, supporting high-density power, signal, coaxial, and connectorized configurati... (read more)

SAE feedthroughs utilize straight threads with O-ring sealing technology to provide reliable hermetic sealing in medium- to high-pressure applications. Douglas Electrical Components manufactures customized SAE feedthroughs for power, signal, connector, wire, circuit, and fiber optic applications, offering durable, high-density solutions for industrial and automotive environments. (read more)

Douglas Electrical Components manufactures hermetic feedthroughs and terminal seals for air conditioning and refrigeration systems, designed to withstand high pressure, high power, and demanding operating conditions. These customizable solutions support power, signal, connector, and fiber optic transmission while reducing leak paths and improving long-term system reliability. (read more)

PFW (plug) and RFW (receptacle) sealed connectors combine hermetic sealing with mechanical flexibility to create plug-and-play electrical connections for vacuum, pressure, and moisture-tight applications. By integrating connectors directly into customized housings or flanges, Douglas reduces leak paths, simplifies installation, and delivers fully tested assemblies tailored to customer re... (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)

Recent Texas refinery fires remind us that hazardous locations leave zero room for error. A critical yet overlooked vulnerability sits at electrical penetration points. If unsealed, these entry points introduce hidden ignition pathways. Protect your operation by using UL and ATEX/IECEx-certified hermetic feedthroughs to eliminate gas ingress, isolate risks, and ensure global safet... (read more)

Douglas Electrical Components designs hermetic feedthroughs for immersion-cooled data centers, sealing connections like RJ45, USB, fiber, and power studs against dielectric fluids. Unlike standard IP-rated solutions, hermetic seals provide long-term protection, improved reliability, and custom mechanical integration for high-density server environments. (read more)

Hermetic feedthroughs are essential for TVAC space simulation, maintaining vacuum integrity while transmitting power and signals. Douglas Electrical Components provides PotCon® and PortPlate solutions using NASA-certified epoxy, supporting high-density, cryogenic, and fully tested assemblies for critical projects like the Dragonfly Titan mission. (read more)

NPT feedthroughs use tapered threads for simple, cost-effective sealing in electrical systems. Douglas Electrical Components offers hermetic NPT solutions for power, signal, and fiber transmission in vacuum, pressure, and hazardous environments, with customizable designs and explosion-proof options. (read more)

JacketSeal™ feedthroughs provide water- and fluid-tight sealing for applications where hermetic sealing isn’t required. Using epoxy bonding, they protect cables and connectors in harsh or submerged environments, supporting IP-68 and explosion-proof standards with flexible, customizable designs. (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)

Douglas Electrical Components designs hermetic feedthroughs for oil transformers, protecting power, signal, and sensor connections from leaks and contamination. Solutions support high voltage, harsh environments, and condition monitoring systems, improving safety, reliability, and long-term transformer performance. (read more)

Cooling failures can disrupt data centers, AI systems, and trading platforms. Immersion cooling improves heat management, but requires hermetic feedthroughs to safely pass power and signals through sealed tanks. These components prevent leaks, contamination, and electrical faults, ensuring reliable, high-performance operation. (read more)

DuctorSeal® hermetic wire feedthroughs provide pre-wired, fully tested, gas- and liquid-tight pass-throughs for demanding environments. Supporting up to 3,000 conductors, they offer high design flexibility, extreme pressure, temperature, and voltage performance, and reliable operation in vacuum and hazardous applications. (read more)

TVAC testing requires hermetic feedthroughs to maintain vacuum integrity. Douglas Electrical’s PortPlate™ combines multiple connections into one modular, leak-tight system while enabling COTS components to be hermetically sealed. This single-vendor approach reduces cost, complexity, and lead time while improving flexibility and reliability. (read more)

Douglas Electrical Components designs hermetic feedthroughs for medical and lab equipment, ensuring reliable power and signal transmission in harsh environments. Epoxy-based solutions bond to various materials, support custom designs, and protect against moisture and contaminants, with 100% tested assemblies for high reliability. (read more)

Douglas Electrical Components designs hermetic feedthroughs for space simulation facilities, supporting high voltage, high frequency, cryogenic, and vacuum applications. Solutions like DuctorSeal®, PotCon®, and OptiSeal™ ensure reliable power and signal transmission while maintaining vacuum integrity in critical aerospace testing environments. (read more)

CircuitSeal™ hermetically encapsulates circuits and connectors in a chemically inert epoxy, protecting against moisture, corrosion, and electrical failure. It enables compact, lightweight designs, supports multiple connection types, and allows non-hermetic connectors to be sealed for cost-effective, high-reliability performance in harsh environments. (read more)

The PotCon® line of hermetic bulkhead connector feedthroughs incorporate standard connectors and wire harnesses in a single, fully sealed housing. (read more)

Douglas Electrical Components designs hermetic feedthroughs and connectors for automotive applications, protecting electrical systems from moisture, chemicals, and pressure. Solutions support LiDAR, fuel pumps, and battery cooling, with scalable sealing methods for R&D to production across ICE, electric, and alternative fuel vehicles. (read more)

All gloveboxes require power, signal, and data transfer without compromising the internal environment. Hermetic feedthroughs enable this while maintaining a reliable seal. Standard connectors like IEC C19 and NEMA 15 and 20 provide flexible, safe solutions based on voltage and current needs, ensuring consistent performance across a range of applications. (read more)

Discover vacuum electrical feedthrough solutions from Douglas Electrical Components, manufacturer of standard and custom UHV feedthroughs for high-performance vacuum systems. Engineered for leak-tight operation down to 10⁻¹⁰ Torr, our solutions integrate power, signal, and fiber optic connections with fast made-to-order delivery and proven reliability. (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)

Cryogenic feedthroughs enable reliable power and signal transmission in ultra-low temperature environments, often below -100°C. Douglas Electrical Components designs custom hermetic solutions using specialized epoxy sealing to ensure high-density connections and minimal leak paths, tested under extreme temperatures and pressures for long-term reliability. (read more)

OptiSeal™ fiber optic feedthroughs deliver true hermetic sealing for high-speed, noise-free signal transmission in demanding environments. Pre-wired and tested, they support vacuum and pressure applications and hybrid designs, reducing weight and cost while ensuring reliable, flexible performance. (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)

Epoxy-based hermetic feedthroughs support resilient power grids by maintaining reliable performance in extreme conditions. Designed for durability and compatibility with SF₆ and alternative gases, they help reduce environmental impact while meeting rising energy demands. Douglas offers standard and custom solutions built for long-term reliability. (read more)

Douglas Electrical Components manufactures Push-Through Receptacle (PTR) hermetic assemblies tailored for environments such as glovebox applications, where electrical connections require frequent updates or upgrades.
These assemblies enable changes without breaking the hermetic seal, ensuring continuous protection and reliable system performance.
Explore the PTR Series - https:... (read more)

Maintain compatibility with existing designs using backpotted connectors. Hermetic Backpotted Connector | Back Potted Hermetic Seals | BPC Series

• Able to recreate obsolete connector options in order to maintain backwards compatibility, redesign legacy products or source replacements.
• Extend the life of existing products
• Maintain the ability to produc...

StudSeal™ hermetic terminal seals provide a secure barrier for high current or high voltage transfers in sealed environments. Our products are designed for high vacuum and pressure applications, including air conditioning and refrigeration compressors, semiconductor processing equipment, vacuum furnaces, and power distribution equipment.

Customize your terminal seal

W... (read more)

Designed for vacuum and positive pressure applications. (read more)

Integrating electrical connections into rigid, legacy hardware is a major mechanical challenge. Douglas Electrical Components solves this with direct-cast hermetic feedthroughs. Using advanced epoxy technology, we seal wires, cables, or fibers directly into your custom housing. This creates a lightweight, low-profile, chemically resistant seal perfect for seamless retrofits and OEM pumps. (read more)

The true cost of a hermetic solution extends far beyond the initial purchase price. Douglas Electrical Components helps reduce total cost of ownership (TCO) by delivering reliable, fully tested, plug-and-play hermetic solutions that minimize downtime, simplify installation, streamline logistics, and provide long-term operational value. (read more)

Douglas Electrical Components takes a collaborative approach to feedthrough design, partnering with customers from concept through production to deliver customized, high-performance hermetic solutions. With in-house engineering, rapid prototyping, and 100% testing, each assembly is built to meet exact application requirements while ensuring long-term reliability. (read more)

Douglas Electrical Components designs hermetic feedthroughs for alternative energy systems, including wind, solar, batteries, and hydrogen. These custom solutions seal electrical connections in harsh environments, supporting high pressure, vacuum, and hazardous conditions while ensuring reliable power and signal transmission. (read more)

Space electronics face extreme conditions like vacuum, radiation, and thermal stress. Hermetic sealing protects components from contamination, outgassing, and environmental damage, improving reliability and performance. Douglas Electrical Components provides lightweight, customizable feedthroughs and packages for aerospace applications. (read more)

US aerospace and defense companies are onshoring hermetic connectors to reduce supply chain risk, control costs, and ensure compliance. Domestic manufacturing offers shorter lead times, regulatory expertise, and easier collaboration, enabling reliable, high-performance solutions while strengthening US industry. (read more)

A hermetic feedthrough design consultation helps improve performance, reduce costs, and avoid design issues. Expert engineers provide guidance on materials, housing, and long-term reliability while balancing technical and budget needs. Engaging early ensures better decisions, greater flexibility, and more efficient, reliable results. (read more)

Douglas Electrical Components has entered a new phase of growth under CEO Sarah Trezza, whose experience in scaling precision manufacturing supports a stronger focus on U.S. operations. With rising demand for reliable components, the company is enhancing visibility, customer experience, and innovation while maintaining its commitment to quality and performance. (read more)

Douglas Electrical Components’ epoxy sealing process is engineered for mission-critical environments, maintaining signal integrity and hermetic performance under extreme temperatures. By minimizing CTE mismatch, it reduces stress and prevents failure, while rigorous manufacturing and 100% testing ensure consistent, long-term reliability. (read more)