Introduction to Electrical Performance of Heavy Duty Connectors

Heavy-duty connectors have a variety of properties, generally speaking the key is the following properties. ① contact resistance ② grounding resistance ③ compressive strength ④ performance of other electrical equipment. Let's look at it in detail. (1) Contact resistance A high-quality electrical connection should have a low and stable contact resistance. The contact resistance of connectors varies from a few milliohms to tens of milliohms. (2) Ground resistance, taking into account the index value of the performance of the insulation layer between the electrical connector connectors and between the contacts and the shell, is rated from more than 100 megohms to more than 1,000 megohms.

(3) Voltage resistance. Voltage resistance strength, also known as resistance to working voltage and material resistance, is the connector contacts or contacts and shells to withstand the rated experimental working voltage between the working ability. (4) the performance of other equipment and electromagnetic interference leakage attenuation coefficient is to evaluate the actual effect of the connector, electromagnetic interference leakage attenuation coefficient is to evaluate the actual effect of the connector's electromagnetic interference shielding, generally in the frequency range of 100MHz ~ 10GHz for testing. For the frequency shot coaxial line connector, there are also characteristic impedance, insertion loss, transmission coefficient and working voltage loss and other indicator values of electrical equipment. Due to the development trend of electronic information technology, for better connection and transmission speed.

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