Different Types of BNC Connectors

BNC connectors are utilized in an array of video applications with RG59 and RG6 coaxial cables. In fact, they are considered the industry standard connector for CCTV video surveillance systems in particular. Devices like CCTV cameras, surveillance DVRs, and security monitors are all equipped with BNC female video input or output on them. As such, coaxial cables that connect to these types of devices need to have BNC male connectors on both ends of the cable. BNC connectors are available in a few different types, those of which we will outline in this blog, and their several attachment methods that will be covered as well.

BNC Crimp-on Connectors

Crimp-on BNC connectors come in two varieties: 2 piece and 3 piece. The two piece style is more popular than other types, and they are installed by using a coax cable stripper and a coax crimping tool, and once the connector is attached, it stays very secure.

BNC Twist-on Connectors

Twist-on connectors are one of the most convenient types as they do not necessitate any special tools to attach the connector to the coax cable. Nonetheless, a coax cable stripper is still required to strip the cable before attaching. While many claim that BNC twist-on connectors are unreliable because they do not attach as securely as crimp-on or compression connectors, they actually remain reliable as long as the cable is trimmed properly.

F Compression Connector to BNC

There are two main methods for attaching compression BNC connectors. One piece BNC compression connectors are available and serve as one method. However, many installers opt for attaching a compression F connector to a coax cable before screwing on a BNC connector to the F connector. The reason for this preference is because installers do not have to guess the correct length of the coax core when attaching the F-connectors. With BNC compression connectors, the coax core is tucked away when the fitting is compressed onto the cable. It is worth noting that this method is prone to error.

As many CCTV installers also carry out cable TV installations and cable TV utilizes the same RG59 and RG6 coax cable that CCTV cameras use, installers have attached F-connectors using a compression tool for years. More than that, it is simple for them to attach a BNC screw-on connector to an F connector. Unfortunately, when the length of the F and BNC connector are combined, it is longer than a twist-on connector, making it harder to achieve secure connections in compact spaces.

F Crimp Connector to BNC

This method is similar to the F compression connector method, with the exception that a crimp-on F connector is utilized instead of a compression type. Like the compression method, the F connector is connected first, then a screw-on BNC connector is attached to the F connector.

Wrapping Up

When selecting a BNC connector, picking the right connector for your projects comes down to your specific requirements. If you need help with selection and need new, used, obsolete, and hard-to-find options, rely on Aviation Store Online. Aviation Store Online is a premier parts distributor with an ever-expanding inventory of top-quality items that have been sourced from reputable manufacturers on our Approved Vendor List (AVL). With countless items, customers can easily fulfill their operational needs with time and cost savings. Kickoff the procurement process by requesting a quote on any featured item(s), and within 15 minutes of submitting a completed Request for Quote (RFQ) form, a dedicated representative will reach out with a customized solution. For additional questions, call or email us at any time; we are available around the clock! 


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