BJ47

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Coaxial Connectors (RF) have become a essential part of electrical engineering, particularly when it comes to high frequency signal transmission. The BJ47 connector is one of the most widely used coaxial connectors for RF applications as it offers low cost, reliability and high quality performance. This article will discuss the BJ47 application field and its working principle.

The BJ47 connector is primarily used in low-voltage applications such as RF signal transmission in radio receivers, antennas and other wireless communication systems. It is also suitable for Ethernet applications in PC boards and other high-density wiring assemblies. It is available in both male and female versions as well as several mating pin counts. It is particularly popular due to its robustness and physical properties such as its flexible and compact design.

In terms of its electrical characteristics, the BJ47 offers excellent performance with a low resistive connection, which is essential for maintaining a low insertion loss. It also features a high dielectric strength, which ensures that the connector is well insulated and minimizes the chance of signal degradation. Additionally, the BJ47 has a low surface resistance, which further reduces the risk of signal interference.

The BJ47 connector is constructed with a dielectric center pin that is surrounded by a conductive contact plate. The dielectric insulator material has a low dielectric coefficient that provides an excellent electrical isolation while the conductive contact plates absorb the static components of the RF signals. The contact plates are made with high quality beryllium copper alloy and offer excellent electrical and mechanical properties, including stable electrical properties across a broad temperature range.

To secure the mating connection, the connector is usually threaded onto an adapter and a locking nut. This adds additional strain relief to ensure that the connection is further solidified. In addition, the connector also features a number of environmental seals that protect against dust and moisture. This further prevents any signal interference and ensures that the connection is reliable.

The BJ47 connector has become one of the most widely used coaxial connectors for RF applications for its excellent performance and reliability. Its low resistive connection, high dielectric strength and low surface resistance ensures its performance is consistent with minimal signal interference. Additionally, its robust design and protective environmental seals provide additional protection against dust and moisture. All these factors combine to make it a valuable addition to any electrical engineering project.

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