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RC Connectors Basic Performance Can Be Divided

RC Connectors Basic performance can be divided

The basic performance of RC connectors can be divided into three categories: mechanical performance, electrical performance and environmental performance.

1. MECHANICAL PROPERTIES In terms of connection function, the insertion force is an important mechanical property. Insertion force is divided into the insertion force and pull out force (pull force also known as separation force), the two requirements are different. The maximum insertion force and the minimum separation force in the relevant standard, which indicates that the insertion force is small from the point of view of use (thus having a low insertion force LIF and a non-insertion force ZIF structure) and the separation force is too small, It will affect the reliability of contact.

Another important mechanical property is the mechanical life of the RC connector. Mechanical life is actually a durability (durability) indicators, in the national standard GB5095 it is called mechanical operation. It is a single insert and a pull out as a cycle to the specified plug in the loop after the RC connector can normally complete its connection function (such as contact resistance) as a basis for judging.

The insertion force and mechanical life of the RC connector are related to the contact quality (sliding friction coefficient) of the contact part of the contact part (positive pressure) and the dimensional accuracy (alignment) of the contact arrangement.

2. Electrical performance The main electrical properties of the RC connector include contact resistance, insulation resistance and electrical strength.

① contact resistance high-quality electric RC connector should have a low and stable contact resistance. The RC connector has a contact resistance ranging from a few milliohms to several tens of milliohms.

(2) Insulation resistance measures the insulation performance between the RC connector contacts and between the contacts and the enclosure, which is of the order of several hundred megohms to several gigahertz.

③ resistance to electric strength or resistance to voltage, dielectric pressure, is to characterize the RC connector contacts or between the contact between the shell and the ability to withstand the rated test voltage.

④ other electrical performance electromagnetic interference leakage attenuation is to evaluate the RC connector electromagnetic interference shielding effect, electromagnetic interference leakage attenuation is to evaluate the RC connector electromagnetic interference shielding effect, generally in the 100MHz ~ 10GHz frequency range test. For RF coaxial RC connectors, there are electrical characteristics such as characteristic impedance, insertion loss, reflection coefficient, and voltage standing wave ratio (VSWR).

As a result of the development of digital technology, in order to connect and transmit high-speed digital pulse signals, there is a new type of RC connector that is high-speed signal RC connector, accordingly, in terms of electrical performance, in addition to characteristic impedance, there have been some new Electrical indicators such as crosstalk, delay, skew, etc.

3. Environmental performance

Common environmental performance including temperature, moisture, salt spray resistance, vibration and shock.

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