No.1 Gaoda Industrial Park,
Fenggang, Dongguan, China


Electrical performance of the connector

The main electrical properties of connectors include contact resistance, insulation resistance and electric strength.
① Contact resistance: High-quality electrical connectors should have low and stable contact resistance. The contact resistance of the connector ranges from a few milliohms to tens of milliohms.
②Insulation resistance: It is an index to measure the insulation performance between the contacts of the electrical connector and between the contacts and the shell, and its size ranges from hundreds of megohms to tens of megohms.
③ Electric strength, or withstand voltage and dielectric withstand voltage, is the ability of the connector to withstand the rated test voltage between the contacts or between the contacts and the shell.
④Other electrical properties. EMI leakage attenuation is used to evaluate the EMI shielding effect of crimp connectors, and EMI leakage attenuation is used to evaluate the EMI shielding effect of connectors. One is tested in the frequency range of 100MHz~10GHz.
For RF coaxial connectors, there are also electrical indicators such as characteristic impedance, insertion loss, reflection coefficient, and voltage standing wave ratio (VSWR). With the development of digital technology, in order to connect and transmit high-speed digital pulse signals, a new type of connector, namely high-speed signal connector, has emerged. Correspondingly, in terms of electrical performance, in addition to characteristic impedance, some new electrical indicators have emerged, such as crosstalk, delay, skew, etc.

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