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How to choose a suitable electrical connector?

Release time:

2023-03-01 14:53

The operation of an electrical connector will affect the function of the entire set of equipment and furnishings, and suitable electrical connectors can bring twice the result with half the effort. So, how to choose a suitable electrical connector?

1. specifications

Aircraft plug manufacturers can use approximately 25 test bodies (specified specifications) as a source of full or partial test specifications for their connectors.

How to choose a suitable electrical connector to think about much more than that, the above content is just some of the elements in the general sense and not all cover everything. When choosing electrical connectors, it is not easy to choose a good connector manufacturer.

2. Electrical Request

When choosing an aviation electrical connector, think about the electrical requirements of the product. What is the voltage and current request of the product, and whether the electrical connector can be used well in such electrical properties, these questions about the electrical request are what we need to think about. In addition, we also need other electrical prerequisites: resistance, allowable resistance change, millivolt drop, maximum current value, maximum voltage value, inrush current value, characteristic impedance, VSWR (voltage standing wave ratio), plug-in consumption and EMI masking compliance.

3. Connector Example

What to connect, use over there and so on these topics is to think about, which determines the example of the selected industrial connector. Where the connector is used (indoor, outdoor, corruption, etc.) will affect whether the sealing of the aviation plug can be strengthened or the shell can be covered outside the insulating body. The example of the connector determines which terminals (termination) are applied and how many conductive terminals are to be arranged. Although this also touches on some of the terminal skills reference.

4. Machine Feature Request

Regarding the electrical connector, what kind of volume and cover area (footprint) is useful; what is the allowable size of the public service; what is the pull-out and pull-out force of the terminal; the durability of the connector (the common frequency of the plug) How are these elements to think carefully when choosing an electrical connector. For example, regarding the printed circuit board, it is certain that the public service of the circuit board is very tight, it is the critical value of the card edge connector (card edge connection), and the feasibility of reaching the critical. On the low power circuit, coating and underlying information must indicate and signal specification and grade phase differences.

5. request

Temperature, humidity and other conditions are determined by the status of the aviation connector, so the status and expected situation should be considered. And other coherent storage premise of the practical period (life shelf) and what is the information. The discussion of the situation should also cover the request for blow and vibration, including the request from the sea, as well as the production of the premise such as welding temperature and welding cycle continuous time request. The connector manufacturer indicates that the area where the lowest temperature incubation occurs is around the aggregate continuous current drawn by the connector.

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