The 4 main causes of connector contact failure!

It is very common for the contact failure of the connector during the use, which is usually caused by a variety of adverse factors. Connector contact failure will cause the connector to fail to use normally or be damaged, which is a problem that needs to be paid attention to. In this article, Huichengyuan connector manufacturers mainly share with you four main reasons for connector contact failure.

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The contacts may not be held and positioned correctly within the connector housing for a number of reasons, and the problem may be related to the housing, contacts, fixed components, or some combination. Problems can occur due to excessive force attached to connector contacts, improper assembly, external damage, environmental conditions, abuse, and many other factors. However, the most basic failure mode is due to misalignment or (axial) displacement of one or more contacts relative to their counterparts, and this partial or complete contact separation may lead to electrical intermittency or complete open circuit conditions. 1. Improper plugging and unplugging of connector contacts: One or both contacts may simply be unplugged from the connector due to improper handling, lack of stress relief device, abuse, incorrect separation, etc. 2. Connector contacts partially pushed back: Any contact may move backward in the connector without moving completely. This may be due to misalignment of the connector or contacts, improper initial assembly, damaged retention function, etc. The result of stuck conditions. 3. Connector contacts are tilted and misaligned: The connector or its contacts may have too much freedom of movement, so that the contacts may be significantly misaligned during the mating process. In severe cases, the contacts may actually miss touching each other, but there may still be physical contact that appears "normal" during the continuity test. 4. Damage to connector contact features: Connector contacts may be permanently bent, plastic housing features may be scraped, and the material (metal or plastic) may be subject to excessive stress or even plastic creep due to time, temperature or other conditions. Summary: A serious contact connection failure can damage the connector, rendering it unusable and must be replaced promptly. Especially in very critical installations, failure of the connector contact retention mechanism can lead to system failure, resulting in accidents, property damage, and compromising safety factors.

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