Douglas Electrical Components Blog
Your blog resource for hermetic sealing and more

In industries where precision and resilience are critical, such as aerospace and military technology, the demand for reliable, and safe interconnect solutions is paramount. Among these solutions, multipin feedthroughs play a vital role, ensuring seamless power and signal transmission through sealed enclosures. Douglas Electrical Components, known for its cutting-edge hermetic sealing technologies, offers a range […]

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Predictive maintenance and condition-based monitoring (CBM) are essential strategies for ensuring equipment safety, reliability, and efficiency. These approaches use measurements and data to assess the condition of equipment, prevent failure, and downtime, and optimize operational costs. Traditionally, condition-based monitoring involved non-invasive measurements, scheduled tests, and visual inspections performed at pre-set intervals. However, the Industrial Internet […]

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Aerospace testing equipment, operating in the challenging conditions of high altitudes, severe weather, varying atmospheric pressures, and rapid temperature changes, tests the reliability and integrity of electronic and electrical connections. This is where aircraft cables and connectors come into play. They are instrumental in maintaining the functionality and integrity of the aircraft’s electrical systems. However, […]

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MIL-DTL-83723 or MI-C-83723 Series connectors are medium-sized circular components, widely used in the aerospace and defense industries. These connectors are hermetically sealed to prevent the ingress of gases, moisture, and other environmental contaminants. This hermetic sealing also increases their efficiency in challenging work environments. Hermetic-sealed MIL-DTL-83723 connectors are quite popular over other military standard connectors […]

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Performance and reliability of connectors are essential in military and aerospace industries, where they are subjected to extreme environmental factors, mechanical stress, vibrations, and electrical performance requirements. Often commercial and industrial connectors cannot withstand environmental and operational extremities in this sector. This is where MIL-Spec connectors can make a difference. MIL-Spec standards for connectors define […]

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Space electronics are designed to withstand extreme conditions. They are used in many critical applications, such as navigation, scientific data collection, communication, and operational controls. These electronic devices are expected to operate reliably and efficiently in challenging conditions, such as vacuum, drastic temperature fluctuations, and high levels of cosmic radiation. This condition necessitates specialized approaches […]

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There are various types of connectors that will transmit ethernet signals from commercial options to more sophisticated optical fiber transmission. Fortunately, hermetic epoxy creates the design flexibility to choose from various ethernet connector types without degrading the signal quality through the feedthrough. Let’s review at some design options. RJ45 Hermetic Connectors The RJ45 is the […]

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Connectors are used in electronic devices to establish connections between components and cables, ensuring smooth signal transmission. Although designed to ensure efficiency and performance of components, these connectors may need additional protection in challenging work environments. This is where environmental and hermetic connectors gain prominence. Both these types are designed to protect components against contaminants […]

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As aerospace and military technologies evolve, the demand for reliable and durable cables that support high-speed data transmission in challenging environments is rising. This is where M27500 & M22759 cables can make a difference. This post explores the significance of M27500 and M22759 cables and their indispensability in the military and aerospace industries. Overview of […]

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Seal tight connectors, also referred to as Sealtite connectors are electrical cable glands used in hazardous locations. Wire or cable passes through the center of the fitting with a locking nut that tightens to the outside diameter of the cable jacket. Various configurations are available, each with hazardous area ratings. Seal tight connectors offer a […]

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MIL-DTL-5015 and MIL-DTL-38999 are United States Military Standards for circular connectors used in various military and aerospace applications. These connectors ensure that critical systems maintain operational integrity in extreme environments, thus highlighting their essential contribution to the safety and effectiveness of many military and aerospace operations. Although these connectors may look similar, they differ in […]

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In today’s demanding environments, reliable data transmission is critical. Douglas Electrical Components steps up with their innovative fiber optic feedthroughs, proven in both hazardous and non-hazardous applications. While optical fibers create many opportunities for data transmission, partnering with a manufacturer you can trust with the handling of delicate fibers is critical. This case study showcases […]

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Douglas Electrical Components manufactures hermetic feedthroughs for high voltage wire, cable, terminal, and connector applications. Utilizing a proprietary hermetic epoxy material and process, Douglas can seal wires , cables and connectors to 30kV and stud terminals over  20kV in a variety of applications and industries.   Transmitting high voltages can be its own challenge but […]

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Hermetic sealing is a process of creating airtight seals in electronic systems, preventing external contamination and maintaining optimal conditions. Utilizing Hermetic Type N connectors and feedthroughs ensures complete sealing against air or liquid ingress, crucial for mission-critical applications. What are Hermetic Type N connectors? Originating in the 1940’s, Type N connectors are a type of […]

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Cable potting involves encasing conductors in an epoxy, liquid, or gel within an enclosure or feedthrough housing. Douglas Electrical Components employs a proprietary hermetic epoxy to seal wire and cable feedthroughs requiring cable potting. Cable potting is often done in-house by OEM’s or through some Douglas competitors. Differences can arise in the potting encapsulation compound, […]

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The importance of secure and reliable connections cannot be understated in vacuum systems. Airtight sealing is one of the essential requirements of this industry, and it can be achieved using many components including hermetic BNC connectors. Although they may seem simple, these connectors have a lot more to offer. This post aims to demystify hermetic BNC […]

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Douglas Electrical Components wire feedthroughs and line bushings are often compared to wire feedthroughs that are hermetically sealed using conduit cement within a metal housing. Conduit cement is a traditional bonding substance for sealing electrical systems and conduits whereas epoxy in wire feedthroughs and line bushings can be more suitable for preventing the entry of […]

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SMA Connectors, or Sub-Miniature Version A, connectors are popular type of coaxial RF connector used to transmit signal. Since the 1960’s, these connectors have been adopted in various applications from Test & Measurement equipment to commercial TV, cable, and antenna connections. Douglas Electrical Components manufactures hermetic SMA feedthroughs and connectors. Feedthroughs allow the mechanical mounting […]

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Douglas Electrical Components is challenged to develop new custom hermetic solutions daily. This includes mechanical, electrical, and optical fiber solutions combined to meet the performance specifications of the customers’ requirements. In this brief case study, we review some of the design challenges and solutions presented to a Tier-1 manufacturer in the Aerospace & Defense industry. Our Sales […]

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What is an Electromechanical Assembly? An electromechanical assembly combines components and subassemblies that feature electrical and mechanical design elements to perform a specific function.   For Douglas Electrical Components, we manufacture electrical connectors and feedthroughs that feature both a mechanical interface as well as electrical components to transmit power and/or signal. Our electromechanical assemblies are integrated into larger […]

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Douglas Electrical Components had an incredibly successful showcase at the recent 2023 Turbomachinery & Pump Symposia held in Houston. The three-day event was a fantastic opportunity for us to connect with both our loyal customers and potential new clients. Many attendees were pleasantly surprised to discover our expertise in hermetic sealing and the capabilities we […]

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Douglas Electrical Components, Inc. manufactures custom hermetic bulkhead ethernet feedthroughs.  Customers can specify the feedthrough as a cable or off-the-shelf connector that is most suitable for the application.  Our technical sales engineers will partner with you to ensure the bulkhead ethernet feedthrough meets the enclosure requirements including leak rate, size, temperature, and material compatibility.   […]

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To design safe, electrical systems for hazardous locations, pay close attention to each and every electrical component that you use—including wire bushings. It may be easy to overlook explosion-proof wire bushings or conduit sealing hubs since they’re typically just one, seemingly minor part of a more complex electrical system. Yet, these components actually play an outsized […]

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Hermetic electrical feedthroughs often require more customization than simply hermetically sealing the conductors or optical fibers within a mechanical housing.  At Douglas Electrical Components, it requires various steps in the process of developing a solution that is Design for Manufacturing-ready and suitable for the application’s environment. Customers partner with our sales engineers to review the product […]

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In today’s interconnected world, optical fiber technology plays a vital role in transmitting vast amounts of data at lightning-fast speeds. As the demand for reliable and efficient data transmission grows, so does the need for innovative solutions to connect optical fibers seamlessly.   Thanks to advancements in epoxy technology, it is possible to achieve a […]

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Finding obsolete connectors can be a frustrating problem for anyone working in the electronics or manufacturing industry. These connectors are often vital components in a product, and without them, it can be difficult or even impossible to complete a project. Hermetic connectors are a more limited subset of the general connector market.   Check to […]

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Download our latest whitepaper, 5 Reasons to Design with a Hermetic Backpotted Connector. Content Includes: What is backpotting? Technical Advantages Increase Design Options Functional Integration Save Time, Money and Weight Various product examples to show you the design flexibility Take virtually any non-hermetic connector on the market today, make it hermetic, and integrate virtually any conductor or […]

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Hermetic push-pull connectors are specialized electrical connectors designed to create a high-quality, hermetic seal in vacuum and high-pressure environments with the convenience of simplified connector engagement. Douglas Electrical takes standard, non-hermetic commercially available push-pull connectors and converts them into hermetic connector assemblies. We integrate a variety of connections including wires, cables, pins, flex circuits, and more. […]

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Cable assemblies are a crucial component in transformer applications, as they are responsible for transmitting electrical power and/or signal to operate and monitor the transformer.   There are several types of cable assemblies used in transformer applications, including bus bar assemblies, grounding cables, and high-voltage cables.   Bus bar assemblies distribute electrical power within the transformer. […]

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Design for Manufacturability, or DFM, is the practice of designing products in a way that makes them easy and cost-effective to manufacture. This is especially important in the field of hermetic electrical feedthroughs. Hermetic electrical feedthroughs provide a sealed electrical connection between the inside and outside of a sealed enclosure. They are airtight and withstand extreme environments, […]

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