The environment, especially the temperature, humidity and corrosivity, which can be required to be used, determines the failure mechanism. The functional requirements of the connector determine how the failure degree is allowed.
1、 The reliability of connectors can be considered as follows:
Materials for product design and manufacturing
2. Operating environment
3. The environment, especially the temperature, humidity and corrosivity, that can be required to be used determine the failure mechanism of the connector, and the function requirements of the connector determine how the failure degree is allowed.
2、 The reliability assessment procedure for connectors includes the following:
Determine acceptable criteria to be applied, including terminal resistance and other failure modes. According to the importance of application, confirm the failure mechanism and classify it.
2. Develop test program to deal with failure mechanism in application of prediction, arrange and grade
3. Determine acceleration factor, and conduct special test if possible.
4. Make appropriate data analysis and statistical processing according to the data obtained from the identification procedure
5. The above steps of reliability evaluation depend on engineering judgment. The manufacturer and user of connector shall agree on the content and method of qualification procedure
3、 The connector is defined in terms of function and structure:
The electronic connector provides a separable connection between two subsystems in an electronic system, without any unacceptable impact on the performance of the system.
2. Separability is the reason why we want to use connectors. It is convenient to repair and upgrade the subsystem or parts of a system. At the same time, this connection can not have any unacceptable impact on the performance of the system. For example, signal absorption, attenuation, power loss. The requirements for separable and unacceptable limits depend on the specific application requirements of the connector.
3. According to the structure definition, the connector has four structural elements: A, contact interface B of terminal (between), surface treatment C of terminal, reed D of terminal and shell of connector.
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