Ordinary connectors are exposed to extreme conditions, their performance and reliability will decline, requiring users to pay high maintenance fees to troubleshoot and replace parts, so a new type of connector has been created, they are specifically designed to build a rugged Ethernet connection in harsh environments, tougher, stronger and more resilient than ordinary connectors. This new type of connector is commonly known as "d-sub waterproof ip67 connectors wholesale".

So how do you choose a suitable d-sub waterproof ip67 connectors wholesale? We can consider the following related aspects:

1. Functional requirements

What to connect, where to use these issues are the first to consider, which determines the type of d-sub waterproof ip67 connectors wholesale selected. The location where the connector is used (indoor, outdoor, corrosive environment, etc.) will affect whether to enhance the sealing of the aviation plug or add a shielding housing in addition to the insulating body. The type of connector determines which terminals are used and how many conductive terminals are arranged. Of course, this also involves some terminal technology references.

2, electrical performance requirements

When choosing an electrical connector, consider the electrical requirements of the product. What are the voltage and current requirements of the product; Can the connector be used well in such electrical properties? These questions about electrical requirements need to be considered. In addition, we also need to consider some other electrical conditions: contact resistance, allowable resistance change, millivolt drop, current value, voltage value, influx current value, characteristic impedance, VSWR(voltage standing wave ratio), insertion loss and EMI shielding efficiency.

3. Environmental requirements

Temperature, humidity, and other environmental conditions are determined by the location of the electrical connector, so the location and expected environment should be considered. The applicable period of other relevant storage conditions (shelflife) and information is what. The description of the environment should also cover shock and vibration requirements, including those arising from shipping, as well as production environmental conditions such as welding temperature and welding cycle duration. The connector manufacturer indicates that the area around the confluent continuous current directed by the connector is the area where relatively high temperatures are generated.

4, mechanical performance requirements

For the connector, what kind of volume and coverage area (footprint) is there. Valid; What is the allowable dimensional tolerance; What is the insertion and withdrawal force of the terminal; How durable is the connector (frequency of plugging and unplugging)? These factors are to be considered when choosing electrical connectors. For example, for printed circuit boards, it is important to determine the tolerance of the circuit board, which is the critical value of the card edge connection, and the feasibility of reaching the critical value. For low-power circuits, the coating and underlying material must be specified in accordance with signal standards and environmental grades.

5. Specifications

Connector manufacturers can use approximately 25 test bodies (specifications developed) as the source of all or part of the test specifications for their connectors. Consideration must be given to the use of appropriate test specifications for specific application situations, including international applications.

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