Choosing a Cable Connector

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Choosing a Cable Connector

While choosing a cable connector, there are several factors to consider. In this article, you'll learn more about waterproof, fiber optic, and coaxial cable connectors. Learn about the various types of connectors so you can pick the right one for your application. Whether you're using a cable for your home or business, you'll want to make sure that the connector is compatible with the cable type. A connector that is compatible with your cable type will keep it safe from damage.

coaxial cable connector
Coaxial cable connectors are used to connect cables to various devices. High quality coaxial connectors provide reliable connections and maintain the shielding around the cable. Coaxial connectors come in both female and male versions, with the former containing a metal pin in the center and the latter housing a receptacle for receiving the pin. Some coaxial connectors are sexless, while others are flush-mounted. They are commonly used in the audio, video, and RF industries.

F-type connectors can be either twist-on-style or crimp-on. Be careful when cutting the connector as the connectors are made from plastic, which may be foil-covered. Do not cut the connection too deeply or use a sharp blade to trim the cable. The cable's signal will be significantly reduced if you damage the conductor. You can find many different styles and shapes of coaxial cable connectors from Allied Electronics.

Coaxial cables are made from concentric layers of insulating material and electrical conductors. These layers keep the signal contained and prevent any electrical noise from interfering with it. The center conductor wire is the thin conducting wire, and the shield is a layer of insulating material that surrounds the signal carrying wire. The outer metal shield is generally grounded in the connectors at both ends to prevent the dispersal of the signal.

waterproof cable connector
A waterproof cable connector is a very important part of any electrical system. Not only is it an essential piece of equipment, but it is also a good idea to use one for safety and security reasons. The Leader(r) M12 4 Pin Waterproof Cable Connector is suitable for a 2 pole M14 male panel. This connector is a rear-mounted cable connector that can be used in various industrial PCs, PV inverters, and medical equipment.

Another type of waterproof cable connector is the grease-filled insulation displacement type. These are more suitable for applications requiring low-voltage connections. Solderable splices are secured by inserting wiring and applying heat. These are the most common types of waterproof cable connectors. Depending on the purpose of their use, they can be used for a wide variety of applications, ranging from light bulbs to computers and everything in between.

A waterproof cable connector is an essential part of any electrical system that requires electricity in a moist environment. This is especially true for water filtration plants. Electrical equipment is often used in these facilities, including water pumps, bottling machines, and purification machines. Having the right connector can help prevent serious accidents and damage. So, when you're shopping for a waterproof cable connector, make sure you choose one that's designed for this type of environment.

fiber optic cable connector
Various types of fiber optic cable connectors exist. Some are more common than others, and are used widely in different applications. While many are commonly used for single-mode or multi-mode fiber optic cables, others have specialized uses and are only available as specialized connectors. Standard connectors include SMA and ST, and are often interchangeable with glass connectors. ESCON connectors, developed by IBM, are also widely used, particularly in peripheral storage devices for mainframes. They use a half-duplex serial interface and are based on fiber optic cable.

Singlemode and multimode fibers must be separated at the termination point before they can be connected together. Regardless of how these cables are connected, they must be properly aligned in order for them to work correctly. The type of connector used is based on the type of optical fiber used in the assembly and the intended function. For example, FC connectors are a good choice for singlemode fibers, while ST connectors are used primarily for multimode fibers.

The LX-5 connector is a reliable connector that uses automatic metal shutter technology. Its small form factor and 1.25 mm ferrule are standardized and widely used in CATV applications and high-performance telecom networks. The LX-5 connector has the lowest insertion loss of all fiber optic connectors. Volition connectors are also widely used and have a "V" shaped groove that aligns fibers. It is possible to buy multiple types of fiber optic connectors, and choose the right one for your network application.

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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 and stressors, with their role varying greatly across applications. This post analyzes the differences between these connectors, and their applications, and offers tips on the selection.

Understanding Environmentally Sealed Connectors and Hermetic Sealed Connectors

Environmentally sealed and hermetically sealed connectors are both harsh environment connectors, which is why they are similar in many ways. However, they differ in terms of purpose.
 

• Environmentally Sealed Connectors: These connectors are generally made from fluoropolymers such as ethylene-propylene rubber and are designed to protect components against moisture, dust, and many other environmental factors. They use O-rings, gaskets, and other sealing materials to create a tight fit. They are used in low-temperature applications, applications that require repeated unmating and mating, or in ones that do not require an absolute sealing. The seal is typically rated for ingress protection, commonly measured on an IP rating scale for liquids and dust.

 

• Hermetic Sealed Connectors: These connectors create an absolute seal preventing, any liquid or gas from entering or exiting the hermetically sealed enclosure. The hermetic sealing process helps create a complete watertight and airtight barrier. Hermetic sealing solutions are designed to operate in extreme and hazardous location environments. They can withstand high pressures, whether unmated or mated. They are widely employed in applications where even the slightest infiltration of external elements can result in failures, such as in critical devices used for medical, underwater, marine, and space exploration applications. Hermetics are typically measured in terms of a vacuum or positive pressure rating. This can be accomplished using a helium leak mass spectrometer to ensure the smallest of elements do not pass through the hermetic seal.

Key Features of Environmentally Sealed Connectors and Hermetically Sealed Systems

The following pointers will help you understand the critical features of environmentally sealed connectors and hermetically sealed systems.
 

Environmentally Sealed Connectors

 

• Applications: Environmentally sealed connectors are ideal for applications exposed to snow, rain, or moisture-laden environments. They can withstand dirt, dust, airborne particles, as well as mild shocks and vibrations. They are used in the following applications.
  • Automotive
  • Marine
  • Outdoor electronics like industrial controls and signage
  • Consumer electronics like rugged smartphones
• Available in Various Ingress Protection Ratings: These connectors are available in various ingress protection (IP) ratings that define their protection level. Hence, it is always recommended to choose the IP rating as per your requirement.
• Cost-Effective: These sealed connectors use regular gaskets, rings, and other materials to create a fit, which makes them more affordable than hermetically sealed systems.

 

Hermetically Sealed Systems

 

• Applications: Hermetic sealed connectors prevent the exchange of gases between the inner and outer sides of the connector. These connectors can withstand temperature extremes, high pressures, and harsh chemicals. They are used in the following applications:
  • Military and aerospace equipment
  • Medical devices
  • High-performance lasers
  • Oil and gas
  • Semiconductor processing equipment
  • Sensitive electronics
• Durability: Hermetically sealed enclosures are made from durable materials, such as glass, ceramics, and stainless steel. This enables them to withstand harsh environments in demanding applications.
• Precision Engineering: The hermetic sealing process demands precision engineering and stringent quality control to achieve superior results. This process involves a precise ceramic or glass-to-metal bonding process, which is critical for hermetic sealing.
• Low Outgassing Rates: Outgassing can be a key concern in many vacuum applications. Hermetic connectors are designed to assure low outgassing rates, making them an ideal choice for sensitive applications.
• Customization: Unlike many environmental connectors, hermetically sealed solutions can be easily customized to meet your application requirements. They can be customized in various sizes and shapes to accommodate pin configurations, wire gauges, and connector types.
• Shielding from Electromagnetic Induction: EMI is a big concern in many mission-critical applications across the medical, aerospace and military industries. Hermetically sealed systems can easily address these concerns. They protect sensitive electronic components from EMI that could degrade their performance.
• Long-term Reliability: As said before, these sealed enclosures are designed following stringent engineering practices, which adds to their precision and helps them maintain integrity for long periods. This makes them suitable for applications where replacement or maintenance is difficult.

How to Choose the Right Connector for Your Application

Although choosing the right connector boils down to your individual application requirements, the following are a few factors that would help you make informed decisions.

• Assess the Operating Conditions: Where do you plan to use the connector? If your application involves challenging factors, such as temperature extremes, shocks, and vibrations, then hermetically sealed enclosures are the perfect solution. If your application only encounters mild dust, moisture, and low physical stress, then environmentally sealed connectors are the best choice.
• Understand the Sensitivity of Applications: Do you plan to use them in mission-critical applications? Some applications may involve critical life-support systems, hazardous chemicals, sensitive electronic equipment for navigation and decision-making, and so on. Hermetically sealed packages are considered the best bet for these applications.
• Address the Cost Implications: Environmentally sealed connectors are the perfect choice for prototypes; applications that do not require extreme sealing; and applications developed on a low budget. However, hermetic sealing solutions work best for applications that demand high precision and accuracy and are usually developed without budget constraints.

Douglas Electrical Components: Your Trusted Hermetic Sealing Technology Partner

Douglas Electrical Components offers environmentally sealed connectors and conductors; however, our hermetic connectors and wire seals differentiate us from our competitors. We can provide hermetically sealed packages that meet your standard requirements involving generic connector options, such as D-sub connectors, coaxial feedthroughs, USB connectors, M-12 connectors, or custom requirements such as MIL-spec configurations. Hermetic connectors are commonly designed in pressurized environments, adding design flexibility and interconnect capability during installation and maintenance.
 
Our hermetic sealing technology has been extensively employed in applications across industries, such as aerospace, military and defense, space simulation, x-ray systems, automotive, and instrumentation and control systems for over 40 years now. Feel free to contact us today, if you have been considering an experienced and trusted hermetical sealing technology partner for your next project. Our experts are eager to work with you and deliver the best hermetic sealing solutions to meet your requirements.

Contact us to discuss your requirements of Waterproof fiber optic connector. Our experienced sales team can help you identify the options that best suit your needs.