2-1393560-0

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D-Sub, D-Shaped Connectors - Accessories - Jackscrews - 2-1393560-0

Jackscrews are an important and integral part of D-subminature connectors. These screws are commonly used to lock and maintain the proper pressure for a connector to remain weatherproof and are primarily used to maintain the contacts. The 2-1393560-0 is a small jackscrew which, when tightened, compresses the front ferrule and insulation bushings thereby creating a "waterproof" seal.

Application Field

The 2-1393560-0 has an extensive range of applications in the electrical and electronic industry. Generally, it is used to attach two kinds of connector module to ensure perfect connection and protection against the environment. The 2-1393560-0 can be used in pairs to secure a standard (D-sub) containerized plug and receptacle or an excluder (EX) plug and receptacle. It can also be used in conjunction with connectors specifically designed for use in industrial and military situations.

Working Principle

When the 2-1393560-0 is tightened, it exerts pressure on the rear of the connector body. This increases the contact force between the pins in the connector by compressing the ferrule (the cylindrical part to which the pins are mounted). The additional pressure causes the ferrule to flatten, resulting in an increased electrical contact area, thereby providing a secure connection and minimizing contact resistance. It also ensures a tight fit, eliminating the possibility of inadvertent connector plugging and unplugging. The contact force maintained by the jackscrew also helps to reduce the number of electrical failures due to vibration.

In addition, the 2-1393560-0 also helps to reduce the risk of foreign contaminants entering the connector and interfering with its proper operation.

Finally, the jackscrew also helps to create a more robust electrical connection by helping to prevent the separation of the connector pins during heavy vibration and shock. This is because the jackscrew forces the ferrule outward, thereby further compressing the pins.

Advantages and Disadvantages

The primary advantages of the 2-1393560-0 are that it produces a reliable and secure connection between the plug and the receptacle, helps prevent damage to pins due to vibration and shock, and provides protection against foreign materials entering the connector. Additionally, the jackscrew requires minimal effort to install, making it ideal for applications with tight space constraints.

On the other hand, the 2-1393560-0 is a relatively large component and can be difficult to access in some applications. Additionally, it is subject to wear and tear and must be regularly inspected and replaced. Finally, the contact force produced by the jackscrew may not be enough to form a reliable connection in applications involving extreme shock or vibration.

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