What is Circular Connector? Who are the domestic and international manufacturers of Circular Connectors?

A. What is a Circular Connector? Circular Connector is an electronic component used to connect and transmit signals, data and power in various industrial, military and aerospace applications. They consist of circular plugs and sockets, usually made of metal and connected by mechanical devices such as threads, grommets, or snaps. Circular connectors are resistant to high temperatures, corrosion, water and dust, making them widely used in extreme environments. The history of circular connectors can be traced back to the early 20th century. At that time, radio technology was developing rapidly, and electronic equipment needed connectors to transmit signals and power. Early connectors were mainly tubular, but as technology developed and demand grew, circular connectors gradually became mainstream. Today, circular connectors have become an important component in a wide range of applications including aerospace, military, industrial automation, medical devices and robotics. Circular connectors are characterized by simple construction and high reliability. They are typically constructed with a metal housing to provide mechanical strength and EMI shielding. Plugs and receptacles inside circular connectors typically utilize spring contacts to provide good electrical contact and low contact resistance. Circular connectors are also available with accessories such as O-ring seals, waterproof gaskets, grounding rings, and pilot locks as needed. Advantages of circular connectors include: High Temperature Resistance: Circular connectors are usually made with a metal housing and high temperature resistant materials, allowing them to be used in high temperature environments. Corrosion resistance: The metal shell of circular connectors can effectively resist corrosion and oxidation. Waterproof and dustproof: Circular connectors usually use accessories such as O-ring seals and waterproof gaskets, which can effectively resist water and dust. High Mechanical Strength: Circular connectors are usually connected by mechanical devices such as threads, grommets or snap fasteners, which have high mechanical strength.EMF Shielding: Circular connectors are usually connected by accessories such as metal shells and guide locks, which can effectively shield EMF interference. Multiple sizes: Circular connectors can be made in a variety of sizes and shapes to suit different application scenarios. The shortcomings of circular connectors include: High cost: Circular connectors are usually made of high-quality materials and therefore have a relatively high cost. Large size: Since circular connectors usually have larger housings, there are space considerations when installing them. Heavy weight: Because of the metal housing of circular connectors, they are relatively heavy and may need to be designed with weight in mind. Circular connectors are used in a wide range of applications, and a few major areas will be described below: Military: Circular connectors are widely used in military applications, such as missiles, airplanes, and battleships. In these equipments, circular connectors must have good performance of waterproof, shock resistance and high temperature resistance to ensure the normal operation of the equipments. For example, waterproof circular connectors can be used underwater, while shock-resistant circular connectors can be used in harsh environments, such as high-speed combat vehicles or helicopters. Aerospace: In the aerospace field, circular connectors are widely used in avionics equipment, communication equipment, flight control systems and so on. As circular connectors are characterized by good waterproof, shock resistance, high reliability, etc., they can be used in harsh climatic conditions, such as high altitude, low temperature and high humidity. Medical: Circular connectors are also widely used in the medical field. For example, circular connectors are used to connect sensors and devices to transmit data and signals in medical equipment such as ECG machines and ultrasound machines. Circular connectors are also used to connect medical devices and power supplies to ensure the proper functioning of medical devices. Industrial Automation: In industrial automation, circular connectors are commonly used to connect devices such as sensors, actuators and controllers. These devices usually operate in harsh environments Circular connectors are available in a wide variety of types and are usually categorized based on factors such as the size, shape, number of contacts, connection method, level of protection, and material of the connector. Some common circular connectors include the MIL-C-5015 connector. This connector has a hexagonal housing with good vibration resistance and a good protection rating. It is commonly used in military equipment, automotive electronics, and industrial automation.M12 Connector. This connector is usually used in industrial automation, robotics and transportation. It has good waterproof performance and anti-interference performance.D-subminiature connector. This connector is usually used in the field of computer and communication equipment, etc. It has multiple contact points and good anti-interference performance. It has multiple contact points and a good level of protectionCircular connectors are one of the essential components in modern electronic equipment, and their design, performance and application have been widely studied and applied. They provide reliable signal transmission and protection and can be used in a variety of applications

B. What are the domestic and foreign manufacturers of Circular Connectors?

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