Using radio frequency (RF) cables, we are able to directly communicate large amounts of information from one source to another at a distance. Also called coaxial cables, they have become a major part of our internet, radio, and television systems. For example, cable television relies on coaxial cables to carry video and data from the cable company to the TV, or in other cases to connect the TV to a personal antenna. Regardless of the application, nearly every RF cable system would be incomplete without its RF connectors, the devices that facilitate linkages between the various cables and other devices in the network. While all RF connectors support RF transmission applications, they are available in different types. If you are curious as to what each of the major types are and how they may be used, read on as we discuss some of the major defining characteristics for each RF connector type.
Size: When choosing an RF connector, one of the first steps is to find the appropriate size connector for your assembly. In general, RF connectors can range in size from ultra miniature, for applications such as mobile handsets and wearable devices, to large connectors that are designed for high power transmissions. Additionally, before purchasing RF connectors, it is important to make sure that they will fit the coaxial cable with which they will be connected.
Interface: RF connectors are also available in different interfaces, or the portion of the device that connects it to a cable or other mechanism. SMA is a popular interface type that features a screw mechanism. Connectors with an SMA interface can be screwed into radio equipment for a secure temporary hold. Aside from SMA, some RF connectors feature an SMB interface. These connectors are smaller than their SMA counterparts and involve the use of a jack that is inserted into the radio equipment. As such, SMB-interface connectors can be simply snapped onto a cable for an easy linking process.
Material: RF connectors are also made of different materials to suit various applications and conditions. Most of them feature a base material that is then coated in a separate material for added protection. Some RF connectors are made of gold-covered steel or brass, whereas others are made of nickel-covered brass. Nevertheless, gold is usually used as the plating material for the conductor because of its high electrical conductivity and excellent resistance to corrosion.
Quick-Lock: As not every RF connector will have a quick-lock mechanism, it is important to consider whether this characteristic is necessary for your assembly. Quick-lock is a coupling mechanism that allows you to push RF connectors into radio equipment to install them. There is no need to twist the device to install, and the mechanism will ensure a moderately secure connection that will stay in place until it needs to be removed again. Quick-lock RF connectors are quick and easy to install and remove, making them a popular alternative to traditional RF connectors, especially in applications where the device will be frequently inserted and detached.
Price: It is often beneficial to consider the price of your various options when choosing an RF connector. Some manufacturers may charge more than others, so it may be helpful to browse various suppliers or request multiple quotes to find a good option. In addition, you may be able to save money by purchasing in bulk and saving any excess connectors for later use. Regardless of price, it is always important to ensure the quality of your connectors and the practices of their manufacturers.
Conclusion
At Automatize Industrials, we have gone to great lengths to uphold a strict standard of quality for our components at every step in the process. As an AS9120B, ISO 9001:2015, and FAA AC 00-56B accredited enterprise, we source from only trusted manufacturers on our Approved Vendor List (AVL) to ensure the authenticity of our products. More than that, our customers are always welcome to send an Instant RFQ form to receive a custom quote for their comparisons in just 15 minutes or less. Start the procurement process with Automatize Industrials today to experience how simple your part procurement can be.
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