BJ27

Coaxial Connectors (RF) are knuckle type connectors which utilize center pins or contacts surrounded by electrically isolated insulative materials. They are ideal for radio frequency (RF) applications up to 12GHz, forming an air-tight seal to prevent moisture, dust, and other contaminants from entering the connection. The BJ27, also known as the BNC jack is one of the most common coaxial connectors used in audio-visual, broadcast, and telecommunications applications. This article will cover the application fields and working principle of the BJ27.

Application Fields

One of the main advantages of the BJ27 is its wide range of applications. It’s most commonly used in audio-visual applications to connect equipment such as cameras, mixers, amplifiers, and displays. It is also regularly used in broadcast applications for connecting antennas, microphones, and other equipment. It is also suitable for telecommunications applications such as connecting phones, modems, and other telecommunication equipment.

In scientific and industrial environments, BJ27 is often used to connect specialized measuring and testing equipment such as oscilloscopes, meters, and spectrum analyzers. It is also widely used in aviation, military, and automotive industries for connecting and disconnecting wiring harnesses and electronic components.

Working Principle

BJ27 connectors consist of two identical, half-moon shaped threaded connectors. One of the connectors has a male center pin, and the other connector has a female center pin. When the two connectors are mated together, the female center pin is inserted into the male center pin to form an electrical connection. This connection is made air-tight with an elastomeric seal that surrounds the inner contact.

The BJ27 connector is designed to prevent crosstalk by forming a near-perfect electrical seal, thus ensuring maximum data transmission with minimal distortion. The connectors also have an internal grounding system which helps to reduce electromagnetic interference (EMI).

BJ27 connectors are designed to be robust and reliable, and can be easily connected and disconnected without tools. The connector’s key feature is self-aligning, which means that the male and female center pins will easily align and mate. This feature is essential in applications where the connectors must remain connected or disconnected while being moved or adjusted.

Conclusion

BJ27 coaxial connectors are among the most popular and versatile connectors used in audio-visual, broadcast, and telecommunications applications. They provide an electrical connection that is air-tight and designed to reduce crosstalk and EMI. BJ27 connectors are robust, reliable, and easy to connect and disconnect without tools.