What are the performance characteristics of FEP connectors?

A. FEP connectors have what performance characteristics? 1. mechanical properties on the connection function, insertion and extraction force is an important mechanical properties, implantation force is divided into implantation force and extraction force (extraction degree is also called the degree of separation), their requirements are different, the relevant standards have a large insertion weight and a small separation of the weight of the provisions of the relevant standards, which indicates that from the use of point of view, the degree of reach to a small degree (so that there is a low-reaching Pressure LIF and no reach pressure ZIF structure), if the separation angle is too small, it will affect the reliability of the touch, its insertion and extraction angle and mechanical life with the fitting structure (positive pressure), the quality of the coating of the fitting part (coefficient of sliding friction) and the dimensional accuracy of the close arrangement (degree of alignment). 2. electrical function to connect the machine's main electrical functions, including the touch voltage, insulation current and electrical strength. Touch current high-quality electric contactor should have a low and stable voltage, the resistance value of the contactor from a few milliohms to tens of milliohms, insulation resistance value is a measure of the electric connection between the contactor points and contacts and shell insulation energy between the indicators, the order of magnitude from a few hundred megohms to a few thousand megohms ranging from the electrical strength, or withstand voltage and dielectric withstand voltage, is the trigger between the contacts or between the contacts and the shell to withstand the rated The ability of the test voltage. 3. environmental characteristics are common salt spray resistance, vibration resistance, shock resistance, etc. Temperature resistance of the current connection body operating temperature of 200 degrees (except for a few high-temperature special triggers), the lower temperature of -65 degrees. When it works, the current generates heat at the point of contact, resulting in a rise in temperature, so it is generally believed that the operating temperature should be equal to the ambient temperature and the temperature rise of the point of contact and the sum of the temperature rise. In some specifications, the limit allowable temperature rise of the connector under the rated operating current is specified. Salt spray resistant connectors operate in environments containing moisture and salt, the surface treatment layer of its metal structural parts and dense parts may produce galvanic corrosion, thus affecting its physical and electrical properties. In order to assess the ability of electrically triggered organs to withstand this environment, a salt spray test is specified, which involves suspending the machine in a temperature-controlled test chamber and spraying a specified concentration of sodium chloride solution with compressed air to form a salt spray atmosphere, with an exposure time specified by the product specification of at least 48 hours.

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