1663125-1

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ARINC 1663125-1 Backplane Connectors

ARINC 1663125-1 backplane connectors are a type of electrical connector used in avionics and aerospace applications that provide reliable signal and power transfer between multiple components in a system. The design of the connector is based on a combination of traditional circular contacts as well as double compression flat contacts to ensure maximum flexibility and increased signal thresholds.

The 1663125-1 design is composed of eight individual contacts and offers connectors in both single and double row configurations. The contacts are arranged in two circular banks with four contacts each, and the contacts within each bank are segregated into two pairs. The single row version offers a contact pitch of 2.54mm, while the double row version offers a pitch of 5.08mm. Single row designs are more commonly used in high-density applications such as rack-mount computer systems, while double row designs are more commonly used in general purpose applications.

Applications

The ARINC 1663125-1 backplane connectors are most commonly used in aerospace and avionics applications. This includes applications such as cockpit systems, flight management systems, communication equipment, navigation equipment, and air data computers. This connector can also be used in ground support and maintenance equipment. The design offers a high degree of signal and power transfer reliability, making it ideal for use in high vibration environments.

Working Principle

The working principle of an ARINC 1663125-1 connector is the same as with any other electrical connector. It consists of two main components, the plug and the receptacle. The plug is the male part of the connector and has a series of metal contacts arranged in the circular bank along its length. The receptacle is the female part of the connector and has slots for each of the corresponding contacts in the plug to fit into. When the plug is inserted into the receptacle, the metal contacts in both components come in direct contact with each other, creating a secure and reliable connection that can be used to transfer both power and signals.

These connectors are also generally secured in place using screws or rivets, depending on the application. The screws or rivets ensure that the connectors remain in contact even in the event of vibration or shock, while also making them easier to remove or replace if necessary.

The 1663125-1 connectors offer a high degree of reliability and durability, making them well-suited for aerospace and avionics applications that require a secure connection between multiple components. They are also easy to install and maintain, which makes them a popular choice for many applications.

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