Reliability and safety are essential features of automotive connectors

Automotive connector is an indispensable part of the automotive electrical system and electronic equipment in the circuit is blocked or isolated between the circuit, set up a bridge of communication, so that the current flow, so that the circuit to achieve the intended function, the importance of its natural self-evident. Selected for a particular application environment connector products are usually required to have a high degree of reliability and safety, must ensure that the reliability of the connector can cope with the application requirements, and high reliability refers to the use of the connector function, then how to determine whether the connector has a high degree of reliability?

First, high reliability connector should have stress relief function: automotive connector electrical connection is usually more than the board connection to withstand greater pressure and stress, so the connector products need to have stress relief function to improve its reliability. Second, high reliability connectors should have good vibration and shock resistance: automotive connectors are often subject to vibration and shock factors, resulting in connection interruption phenomenon, to cope with such problems, the connector must have good vibration and shock resistance to improve its reliability. Third, the high reliability connector should have a strong physical structure: with the electric connection separated by electric shock is different, in order to cope with the special environment of the impact and other undesirable factors, the connector must have a strong physical structure, to prevent the connector in the pairing process due to the impact of undesirable factors and damage to the contacts, thereby improving the reliability of the connector. Fourth, the durability of high-reliability connectors to be high: general automotive connector insertion and extraction service life may be 300-500 times, but the specific application of the connector may require its insertion and extraction service life up to 10,000 times, so the connector's durability to be high, need to ensure that the connector's durability in line with the standard requirements of the insertion and extraction cycle. Fifth, the operating temperature range of high-reliability connectors to meet the specifications: general automotive connector operating temperature range of -30 ° C to + 85 ° C, or -40 ° C to + 105 ° C. And the range of high-reliability connectors will be pushed to the lower limit of the lower limit of -55 ° C or -65 ° C, the upper limit pushed to at least + 125 ° C or even + 175 ° C, which is generally available through the choice of material ( such as higher grade phosphor bronze or beryllium copper contacts) to achieve the additional temperature range of the connector, and the plastic housing material needs to be able to hold its shape without breaking or deforming.

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