748676-3

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D-sub, D-shaped connectors are a variety of specialized connectors commonly used in electrical and electronic equipment, including computers and communication systems. The 748676-3 connector is one that is used in a wide range of applications. This article will explore the application field and working principles of the 748676-3 connector, so readers will be better informed on the features and capabilities of this particular connector.

The 748676-3 D-sub connector is generally used for signal and power connections in computer, communication, and industrial systems. It is rated for 500 VAC, 50/60 Hz, and a current of up to 25A. The connector is available in a variety of configurations, including right-angle and horizontal, for various applications. It also features a robust design with a threaded shell and nickel-plated brass contacts. This makes it suitable for harsh industrial environments, where it is constantly exposed to moisture, extreme temperatures, vibration, and other harsh elements.

In terms of the working principles of the 748676-3, the connector uses a combination of mechanical locking and electrical contacts to maintain a secure connection. It consists of two components; a shell and a rear contact. The shell is made of a durable metal, such as aluminum or stainless steel, and it provides protection against environmental conditions. The contacts are made from a conductive metal, such as tin plated copper, and they are configured to ensure a good electrical connection between the two components. When the connector is installed, the rear contact is inserted into the shell, followed by the wires. The wires are connected to the contacts and then tightened, allowing for a reliable electrical connection.

In addition to the main components, the 748676-3 also includes a variety of additional components, such as backshells, hoods, and strain reliefs. The backshell is a plastic or metal enclosure that fits around the connector to provide additional protection and strain relief. The hoods provide extra protection against dust, vibration, and other environmental conditions. Finally, the strain reliefs are used to provide additional strain relief for the wires connected to the connector.

Overall, the 748676-3 is a versatile and reliable connector that is suitable for a wide range of applications. It is capable of withstanding harsh environmental conditions and has a strong, secure connection. It also provides additional protection with its backshells, hoods, and strain reliefs. By understanding the application field and working principles of the 748676-3 connector, readers will be able to make better informed decisions when selecting the appropriate connector for their applications.

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