74773-1103

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Backplane Connectors are devices that help interconnect systems and allow the communication of data and signals between a variety of components, boards, and peripherals. Housings are a type of Backplane Connector, and the 74773-1103 series is a particularly popular housing for industrial control applications. This article will explain the application field and working principle of the 74773-1103.

Application Field

The 74773-1103 is designed to be the primary point of contact for many components in industrial control applications. It has three contact rows, each with eight pins, meaning it can accommodate up to 24 connections. The connector is designed for high-voltage applications, making it suitable for use in control panels, servo systems, motor drives, and other industrial applications.

The 74773-1103 is also UL listed and meets military qualified standards. This means that it is suitable for use in harsh environments, such as those found in hazardous or extreme industrial settings.

Working Principle

The 74773-1103 is a three-row connector, with eight pins in each row. The pins are engaged with the housing to create the connections. The connector has two metal stampings, one with 24 holes arranged in three rows, and the other with 24 pins arranged in three rows. The two parts are mated together, creating connections between the pins and the holes.

The pins are then loaded into the housing in a specific orientation. This orientation ensures that the pins and the holes are connected in the correct manner, in order to achieve reliable performance. These connections are then further secured with screws or other mechanisms to provide additional rigidity. This helps to prevent accidental disconnections.

The 74773-1103 can be configured to meet the specific requirements of the application. For example, the pins can be connected in different configurations, such as parallel or series. This allows the connector to be used for different types of signaling, such as data, power, or other signals.

The 74773-1103 is a versatile and reliable connector that is suitable for a wide range of applications. It is designed for high-voltage applications, and is UL listed and meets military qualification standards. It can also be configured to meet particular requirements, making it a popular choice for industrial control applications.

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