What are the inspection and testing standards for board-to-board connectors?

Board-to-board connector is a kind of connector widely used in electronic equipment, its main purpose is to connect different circuit boards or connect different components on the same circuit board. In order to ensure the reliability of its connection and electrical performance, it is necessary to carry out inspection and testing. The following are the main standards for board-to-board connector inspection and testing.1. Appearance Inspection Appearance Inspection is to check the appearance of the board-to-board connector, the main purpose is to check the appearance of the connector is intact, no damage, no deformation, whether the connector surface is flat, no cracks, no oxidation, etc..2. Dimensional Inspection Dimensional Inspection is to check the dimensions of the board-to-board connector to see if it meets the requirements of the regulations, including the appearance of the size, the spacing of the receptacles, receptacle depth, etc..3. Dimension check is to check whether the board-to-board connector dimensions comply with the specified requirements, including the external dimensions, socket spacing, socket depth, etc. Check the need to use special testing equipment to measure to ensure that the board-to-board connector meets the specified requirements.3. Electrical performance test Electrical performance test is to check the board-to-board connector conductivity and transmission performance of the key steps. It mainly includes the following aspects: (1) Impedance test: test whether the impedance of the board-to-board connector meets the specified requirements. (2) Through-current test: Test whether the maximum through-current of the board-to-board connector meets the specified requirements. (3) Capacitance Test: Test the capacitance of the board-to-board connector to see if it meets the specified requirements. (4) Signal Transmission Test: Test whether the signal transmission quality of board-to-board connectors meets the specified requirements.4. Heat Resistance Test The heat resistance test is to check the performance of board-to-board connectors in high temperature environments to ensure that the connectors can still maintain good electrical and mechanical properties under high temperature conditions. Tests need to be placed in a high-temperature box, and continuous heating, cooling and other cycle tests.5. Humidity resistance test Humidity resistance test is to check the performance of the board-to-board connectors in a humid environment to ensure that the connector is still able to maintain good electrical and mechanical properties under humid conditions. The test requires the connector to be placed in a humidity chamber, and humidity cycle test. The above is the main standard of board-to-board connector inspection and testing. Through these tests, you can ensure the quality and performance of board-to-board connectors, thereby improving the reliability and stability of electronic equipment.

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