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How to choose the right industrial connector? Industrial Connector Selection Method
What to connect, where to use, etc. These issues are the first to consider, which determines the type of industrial connector selected, and the location where the connector is used (indoor, outdoor, corrosive environment, etc.) will affect whether to strengthen The airtightness of the aviation plug or the addition of a shielding shell outside the insulating body, the type of connector determines which terminals are used, and how many conductive terminals are to be arranged.
1. Connector type
What to connect, where to use, etc. These issues are the first to consider, which determines the type of industrial connector selected, and the location where the connector is used (indoor, outdoor, corrosive environment, etc.) will affect whether to strengthen The airtightness of the aviation plug or the addition of a shielding shell outside the insulating body, the type of connector determines which terminals are used, and how many conductive terminals are to be arranged.
2. 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, and the applicable period and information of other relevant storage conditions should also be covered in the description of the environment. Shock and vibration requirements, including those from shipping, as well as production environmental conditions such as welding temperature and welding cycle duration.
3. Electrical requirements
When choosing an electrical connector, it is necessary to consider the electrical requirements of the product, the voltage and current requirements of the product, and whether the connector can be used in such electrical properties. To consider, in addition, we also need to consider some other electrical conditions: resistance, allowable resistance change, millivolt drop, maximum current value, maximum voltage value, inrush current value, characteristic impedance, (voltage standing wave ratio), insertion loss shielding efficiency.
4. Specifications
Connector manufacturers can use approximately 25 test institutes (specified specifications) as a source of all or part of their industrial connector test specifications, and must take into account the use of appropriate test specifications in a particular application, including internationally accepted ones. Happening.
5. Mechanical performance requirements
For the connector, what kind of volume and coverage area is effective, what is the allowable dimensional tolerance; what is the insertion and extraction force of the terminal, how is the durability of the connector (frequency of insertion and removal)? These Factors are all to be considered when selecting electrical connectors, such as: for printed circuit boards, it is important to determine the tolerance of the circuit board, which is the critical value of the card edge connector, and the feasibility of reaching the critical, for For low-power circuits, plating and underlying materials must be specified in accordance with signal standards and environmental levels.
A new industrial connector specifically designed to build a robust Ethernet connection in harsh environments, tougher, stronger and more resistant than previous connectors, this new interface is widely recognized as the " "Industrial Connectors," whose applications are not limited to manufacturing, are designed to withstand the harshest industrial environments.
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Safety maintenance of aviation plugs
Most of the switches of aviation plugs are made of high-grade materials such as bulletproof rubber, which have high fire resistance, moisture resistance, and impact resistance, and the surface is smooth. and ask the dealer. Generally speaking, products whose surfaces are not smooth and feel thin and brittle are unreliable in terms of performance. The panel of a good switch socket requires no bubbles, no scratches, and no smudges. The handle of the switch is light and not tight, the jack of the socket needs to be equipped with a protective door, and the plug must be inserted with a certain force and cannot be inserted with one foot.
Ningbo Qinda Electronics Co., Ltd.
Address: Guanhaiwei Town, Cixi City, Zhejiang Province