142-0403-011

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Coaxial Connectors (RF) are widely utilized for secure radio frequency (RF) connections in a variety of applications. The 142-0403-011 coaxial connector is one such connector that is suitable for a number of industrial applications. This article explains the features of this connector and provides details of its applications and working principle.

Design & Structure

The 142-0403-011 coaxial connector is a miniature size 4 connector with a Push-Pull locking mechanism. It has an outer diameter of 4mm and an inner diameter of 2.8mm. The connector has a 50 Ohm contact resistance, and is capable of withstanding a maximum current of 2A. It has an operating temperature range from -55°C to 105°C, and a 0.25mm center contact and 0.75mm outer contact. This connector is compatible with a variety of materials, including stainless steel, high temperature plastic, brass and phosphor bronze.

The design of the connector includes the inner conductor, dielectric, outer conductor, and a series of insulation components. The inner conductor is made of silver plated copper and is connected to the center pin. The dielectric is made from PTFE or FEP, and the outer conductor is made of brass and silver plated brass. The insulation components are made of PTFE and include the connector body, sealing tape, and cable termination. The sealing tape helps to prevent moisture and dust from entering and corroding the connector.

Working Principle

The 142-0403-011 coaxial connector works by providing a secure connection between two radio frequency (RF) components. This is achieved through the use of two components: an inner conductor and an outer conductor. The inner conductor is constructed of silver plated copper and is connected to the center pin, while the outer conductor is constructed of brass and silver plated brass. The inner conductor is responsible for providing a secure electrical connection between the center pin and the outer conductor, while the outer conductor protects the connection from electromagnetic interference (EMI).

The two conductors are insulated by a dielectric material such as PTFE or FEP. The dielectric material helps to ensure that the connection is secure and is unaffected by external interference. The outer conductor also helps to ensure secure connection between the two conductors by providing a return path for the current. The outer conductor absorbs any EMI and dissipates it away from the inner conductor.

Application Field

The 142-0403-011 coaxial connector is suitable for a wide range of applications, including but not limited to telecom and broadcast, test and measurement and medical applications. These connectors can be used for connecting RF components, such as RF antennas, signal cables, etc. They are also suitable for use in environments with high levels of EMI, as the outer conductor helps to protect the connection from external interference.

In telecom and broadcast applications, the 142-0403-011 connector can be used for connecting signal cables to devices such as modems, base stations, cameras and antennas. In test and measurement applications, these connectors can be used for connecting electrical equipment to test instruments. They can also be used in medical applications for connecting medical imaging equipment to radiometers and X-ray equipment.

Conclusion

In conclusion, the 142-0403-011 coaxial connector is a versatile and secure RF connection solution. It is ideal for use in a variety of applications, including telecom and broadcast, test and measurement and medical applications. This connector features an outer conductor and dielectric material, which helps to protect the connection from EMI and ensures a secure connection. Finally, it has a 50 Ohm contact resistance and a maximum current of 2A, making it suitable for a wide range of applications.

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