Coaxial Connectors (RF)

Coaxial connectors are a type of electrical connector primarily used in radio frequency (RF) applications to provide a secure connection between two cables or pieces of equipment that carry a single analog signal. Examples include F-connectors (twist-on for consumer-grade applications); BNC connectors (bayonet lock type, commonly used in professional studio and production environments); and SMA/SMB connections (predominantly used in more complex, higher-frequency RF transmission systems). The 3-1478987-0 connector is a type of coaxial connector. This article will discuss this particular connector\'s application field and working principle.

Application Field

The 3-1478987-0 connector is typically used in military or commercial aircraft applications, where its robust construction ensures robust performance in extreme temperatures. Additionally, this connector is also used in ships, which benefit from its corrosion resistance. Finally, 3-1478987-0 connectors can also be used to connect external antennas to radio equipment, providing a secure and reliable connection even in extreme physical conditions.

Working Principle

The 3-1478987-0 connector is a 50-ohm impedance. This impedance is maintained by properly inserting a center contact pin surrounded by an interference ring into the female connector. When inserting the connector, the slanted ring contacts the shoulder of the male center contact pin, and the sharp edges of the ring are in contact with the inner surface of the housing. In this way, the electrical connection between the male and female connectors is created and the necessary contact force is achieved.

This contact pressure is maintained by an elastomeric O-ring which is located between the outer and inner housings. This O-ring deforms in response to the pressure applied by the male and female connectors, forming a seal around the joint. The O-ring prevents moisture, dust and other environmental hazards from entering the connection, ensuring reliability and durability.

Conclusion

The 3-1478987-0 connector is a rugged, reliable connector used in military or commercial aircraft, ships, and radio equipment. It has a 50-ohm impedance and uses a center contact pin surrounded by an interference ring that creates an electrical connection when inserted into the female connector. This contact is maintained by a flexible O-ring that prevents dust, moisture, and other environmental hazards from entering the connection.