Nine Factors for Automotive Connector Design Criteria

With the rapid development of the automobile industry, all kinds of functional parts and components on the automobile are constantly developing in the direction of intelligence, refinement and reliability, which puts forward higher requirements for the structural design, appearance design and materials of automobile connectors, and has certain design standards. Xiaobian to explain to you the design standards of automotive connectors! Automotive connectors must comply with the USCAR-20 standard, which is the performance standard of the automotive electrical connector system. It stipulates that the electrical connector contact surface of the automotive connector should always be reliable throughout the service life, including the following nine factors: 1) the material of the connector contact is stable and reliable; 2) the forward force is stable; 3) the voltage and current of the circuit are stable; 4) the temperature is required to be within the specified range, including the ambient temperature and the temperature rise of the connector itself; 5) good robustness; 6) the connector must be the same as the connector for high-speed long-distance communication computers, and the automotive connector must be able to work reliably under harsh conditions; 7) the insertion force of the connector is less than 20.5 kg; 8) the retention force of the connector is more than 2.5 kg; 9) Heat resistance: -40 ~ 120 ℃. A typical light vehicle has approximately 1,500 connection point, 50 to 60% of which are used for critical pow distribution functions. Automotive connectors are used in increasingly harsh environments, including temperatures (as low as -40 ° C and as high as 155 ° C above zero), vibration, oxidation, and fretting corrosion, demonstrating the importance of design challenges.

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