What to consider in aerospace connector selection? What should I pay attention to in the application?

For aviation connector products, in the selection stage, not only to consider the quality issues, but also pay attention to the performance requirements of the connector to ensure that the selected aviation connector can meet the application specifications. First, the reliability of the aviation connector: aviation connector important requirement is reliability. According to the application requirements, connector products shall be tested under specific conditions, mainly involving temperature tests and hardness tests of radiated materials. These issues are usually related to the connector's plastic parts, while for the connector's metal parts, the test is mainly about thermal expansion and contraction. However, connectors contain many different plastics, so it is necessary to check the individual materials and how they interact with each other. In addition, the connector should be evaluated based on size and weight to ensure high reliability of the aerospace connector. Second, the data transfer rate of aviation connectors: data transfer rate is also a consideration for aviation connectors. Although fiber optic connectors are beneficial to most aviation applications, different glass fiber variants with different radiation resistance can be used, and their suitability and power levels must be carefully examined. Third, the signal stability of aerial connectors; radiation can affect the signal stability of satellite aerial connectors. These are mostly low-speed signals in near- and low-orbit applications. It is recommended that shielding can be used, but it adds weight and cost.

Connectors have a wide range of applications and many types. According to the requirements of different applications, you can choose the appropriate connector products to meet the requirements, but you need to consider a variety of application factors.1. When it comes to the application of wired connections, the connector needs to consider the important issue of ease of use, such as USB connectors, such as the amount of traffic capacity, signal density, as well as through the reversible and non-directional connection of the USB-C, on the contrary, the direction-dependent connector, which is keyed to only allow a way, help guide the user and prevent incorrect connections. However, locking connections usually provide better mechanical support and may require crimping.2. Some applications require long distance, high speed and reliable connections. Typically, fiber optic connectors are widely used. There are three main types of fiber optic connections: singlemode, multimode, and plastic fiber. Multimode connections allow for higher bandwidth, but typically suffer in long distance applications due to their high dispersion and attenuation rates, making them ideal for shorter LAN-based connections.3. When selecting connectors for aerospace and military applications, harsh operating conditions may require a variety of considerations. Some connectors have special protection against electromagnetic interference, electrostatic discharge, vibration, and/or moisture. A common decision for designers is whether a connector should be shielded. Shielded connectors can provide additional protection from unwanted radiation and localized magnetic fields, but they are usually larger or more expensive than unshielded connectors. Some connectors even include damping contacts to help with high shock and high reliability applications, and connections that need protection from external moisture often include (or allow) sealing.4. For high load applications, it is recommended to select a connector product with a high current or voltage rating. Some connectors contain mixed-signal pins to support both data and power connections. Typically, the power pins have a greater current capacity and can be thicker, which helps avoid two separate power and data connectors.

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