What are the factors to consider when choosing an aviation plug?

1.Connector type

What to connect, where to use, etc. These issues are first considered, which determines the type of industrial connector chosen. The location where the plug is used (indoor, outdoor, corrosive environment, etc.) can affect whether the aviation plug is to be sealed or shielded from the insulating housing. The type of connector determines which termination is used and how many conductive terminals to arrange. Of course, this also involves some reference to the terminal technology.

2. Electrical requirements

When selecting an aviation plug, consider the electrical requirements of the product. What are the voltage and current requirements of the product, and whether the connector can be well applied to such electrical properties. These questions about electrical requirements need to be considered. In addition, we also need to consider other electrical conditions: resistance, allowable resistance change, millivolt drop, maximum current value, maximum voltage value, inrush current value, characteristic impedance, VSWR (voltage standing wave ratio), plug Pulling loss and EMI shielding efficiency.

3. Environmental requirements

Temperature, humidity, and other environmental conditions are determined by the location of the aerospace connector and should be considered for the location and expected environment. And the shelf life of other relevant storage conditions and what the information is. The description of the environment should also cover requirements for shock and vibration, including requirements for shipping and environmental conditions such as welding temperature and duration of the welding cycle. The connector manufacturer stated that around the confluent continuous current guided by the connector is the area where the highest temperature is generated.

4. Mechanical performance requirements

What kind of volume and footprint is effective for aviation plugs; what are the allowable dimensional tolerances; what is the insertion and pull-out force of the terminals; and the durability of the connectors (frequency of insertion and removal) These factors are all considered when choosing an aviation plug. For example, for printed circuit boards, it is important to determine the tolerance of the board. It is the critical value of the card edge connection and the feasibility of reaching criticality. For low power circuits, the plating and underlying materials must be specified to be consistent with the signal standard and environmental rating.

5. Specifications

Circular Aviation plug manufacturers can use approximately 25 test mechanisms (specified specifications) as a source of all or part of their connector’s test specifications. Consideration must be given to what size connectors are used for a particular application.

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