General design and application of features of USB connector products.

No matter which manufacturing industry's electronic USB connector, there are strict regulations on the feasibility of connection and the value of point contact resistance. There are more unique regulations for the actual primary use. Generally, the performance index values of USB connectors have three aspects: mechanical equipment performance, electrical equipment performance and environmental performance. Mechanical equipment performance: The actual operation with the largest number of USB connectors is unplugging and plugging, so the unplugging and plugging force of USB connectors is the most important mechanical equipment performance. There are two kinds of insertion force: insertion force and pull-out force, and the regulations of the two are also different. Generally speaking, the mechanical equipment service life of a USB connector refers to the cyclable system frequency of the USB connector once inserted and unplugged. Does the USB connector still work properly after the desired frequency. This index value generally has a higher regulation at the industrial plug level.

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Electrical Equipment Performance: Electrical equipment performance includes circuit resistance, ground resistance, and compressive strength of USB connectors. The circuit resistance of high-quality USB connectors generally ranges from a few milliohms to tens of milliohms. Ground resistance refers to the performance of the insulation layer between the contactor inside the USB connector and the housing. Orders of magnitude range from a few hundred megabytes to a few gigabytes. Generally speaking, this index value is crucial in industrial production automatic machinery and equipment. Electrical compressive strength refers to the ability of the contactor to withstand the working voltage in the middle. Sometimes the electrical resistance is opposite to the circuit resistance, so it is necessary to measure different index values. Environmental performance: General environmental performance includes high temperature resistance, water resistance, salt resistance, vibration resistance, etc. Due to the different actual working environments of mechanical equipment, some external environmental factors often cause harm to the performance of USB connectors. For example, in high-temperature environments, changes in temperature are sometimes not caused by the environment, but by the heat of the mechanical equipment itself throughout its operation. For example, the intermediate current transfer of a USB connector touch leads to an increase in temperature, and changes in temperature can impair its performance. Another example is that in automotive electronics, the vibration resistance and impact resistance of USB connectors should be considered more in Chengdu. USB connectors are very important in electronic control systems. If you underestimate USB connectors and opt for cheap, poor quality USB connectors, you usually end up paying a lot. Choosing cheap and incorrect USB connectors can prevent the system software from functioning properly, leading to problems with maintenance, maintenance, etc. Therefore, the design of electronic control systems attaches great importance to the choice of USB connectors.

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